查询词典 tread as if on thin ice -- to be very careful

Firsthand observations and satellite images show that the immediate area around the geographic North Pole is now mostly annual, or first-year, ice—thin new ice that forms each year during the winter freeze.

第一手的观察和卫星图片显示几乎是每年，或者是第一年出现这种情况：冬天封冻时新形成的薄冰环绕地理北极点。

Usually, younger, thin ice accounts for about 70 percent of the ice cover. This year it reached 90 percent, Meier said.

Meier说，通常年轻的薄冰占据冰覆盖面积的约70%，而今年达到了90%。

Special merchandise-frozen food, such as ice cream, and so on, as after cold storage, its surface due to the low temperature jelled a thin ice cover all or part of a bar code symbol, causing the reading correctly.

不入格商品速冻食物，如冰淇淋等，不纬冷藏后掏不入时，其表背由于不高温固结了一层薄冰块，全部或局部关住了条码标志，致使无法不差识读。

Right off the bat, the lander's robotic scoop appeared to hit solid ice just below the surface, and scientists were rewarded with time-lapse images of ice subliming into the thin Martian atmosphere from one of the trenches it dug

一瞬间，探测器的机器人独家新闻似乎只在表面下撞到牢固的冰，科学家进入细小的东西获得了冰升华的缩时摄影的图象火星大气层从一个它挖掘的壕沟。

Right off the bat, the lander's robotic scoop appeared to hit solid ice just below the surface, and scientists were rewarded with time-lapse images of ice subliming into the thin Martian atmosphere from one of the trenches it dug.

凤凰号在当初刚着陆时，它的机械铲铲似乎就碰到了地表下的固态冰，同时科学家们也满意得看到了，在它挖出的一个沟渠中有冰升华到火星稀薄大气层中的延时图像。

That's because air at high altitudes is thin and holds less heat/ As the snow piles higher and higher,the bottom layers change into ice, forming a glacier---a slowly moving river of ice.

这是因为在高海拔地区空气稀薄，保存不住热量，使积雪越来越高，底层压实成冰，并且形成冰川---缓慢移动着的冰河。

The rest of the Wilkins Ice Shelf, which totals about 14,500 square kilometers, is holding on by a narrow beam of thin ice.

总面积约在14500平方公里的威尔金斯冰架的其他部分正在支撑着一条狭长的薄冰。

The change in Arctic ice cover is dramatic,with climatologists saying that only 10 percent now is older and thick ice,while over 90 percent is newly formed and thin.

北极覆盖的海冰，有巨大的变化。气候学家说，较久和较厚的冰，现在只剩下一成，超过九成是新形成的薄冰。

In fact, is very single-minded, and they also know how to appreciate are very talented girls who like boys loaded ha ha Shuai like to say that they like to say how great they are, what, but they never admit that he or beautiful or narcissistic Would like to arouse the attention of what it is because they thought it was a way of self-love, if people do not even know how to self-love, then to others so that people are concerned about the hypocrisy, some wear untrue, but very cautious The decision to make, very polite to strangers, very friendly acquaintance, is a simple, lively, gentle, with wisdom, sense of responsibility of the girls, very tolerant, sometimes speak with a forked tongue yo ha ha ' Difficult to fall in love with a male, but if you fell in love with will never forget, although in the minds of many boys like, but there is nothing more than good dim, for a time-release mentality and I said, because they would like from the bottom of my heart To appreciate others, it tends to mislead some of the boys, only one cow was angry that his temper will not be jealous of others, the ability to judge, some dependent on the boyfriend, but will not have any boyfriend will be difficult to help them, and the like And the co-operation, the money is very sensitive to some inner melancholy, like the quiet, simple world, and often unsatisfactory, but is still able to adapt.

其实是很专一的，而且她们也都是懂得欣赏很才华的人的女生喜欢装男生哈哈喜欢说自己帅喜欢说自己是多么的伟大什么的，但她们从不承认自己很漂亮或者自恋或者想引起别人的注意什么的，那是因为她们认为那是自爱的一种方式，如果人连都不懂得自爱的话那么那人给他人的关心都是虚伪的，不真实的有些磨，但是很谨慎做出的决定，对陌生人很礼貌，对熟人很友善，是个单纯、活泼、温柔、拥有智慧、有责任感的女生，很宽容，有时会口是心非哟{哈哈'很难爱上一个男生，但是如果爱上了就会刻骨铭心，虽然在心中喜欢很多男生，但也只是朦胧的好感罢了，过一阵子心态又放平了我说过，因为她们从心底就很喜欢欣赏他人，所以往往会误导某些男生，只是一生气那真是牛脾气，不会嫉妒别人，判断力强，对男友有些依赖，但是不会有什么困难就要男友帮她们的，而且很喜欢与人合作，对金钱很敏感，内心有些忧郁，喜欢安静、简单的世界，却往往不如意可是依旧可以适应。

Well, there is chocolate ice cream, coffee ice cream and vanilla ice cream .

好的，这儿有巧克力冰淇淋，咖啡冰淇淋和一点香草的。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。