查询词典 rapids

The rapids of a river that runs between the steep precipices of a gorge or narrow valley.

急流河流的急流，奔流在山峡或狭窄山谷的悬崖峭壁之间

Paddlers requiring additional support should stay at the center of a group, and not allow themselves to lag behind in the more difficult rapids.

需要照顾的浆手应该留在队伍的中部，不充许他们在困难的急流中落在后面。

I was puzzled by this myself for many years, and owe my enlightenment to Harry McEvoy of Grand Rapids, Michigan, the manufacturer of Tru-Bal throwing knives, one of the really good lines of throwing knife on the market.

我曾被这一问题迷惑了很多年直到从密歇根激速公司的Harry McEvoy那里得到指点。他们公司生产的Tru-Bal飞刀是真正的好刀。

The steam line will reduce the fluid resistance to is smallest, the slow circular aperture's design can reduce the rapids and the pressure, the long curving radius of action will have the good mobility.

蒸汽线路会把流体阻力减到最小，较缓的圆形孔径的设计能够减少湍流和压力，较长的弯曲活动半径会产生较好的移动性。

In addition ,the paper studied the theory differences between the medium consistency refining and low consistency refining ,discussed the characteristic of medium consistency refining, expounded self-refining effect of small fiber-net in medium consistency pulp rapids on the grounds of laboratory test and production application, explained the advantage of medium consistency refining in mill's application according to the theory,hope to build the basis of research and production of medium consistency refining equipment and technology.

此外，文中还探讨了中、低浓打浆机理的差异及中浓打浆的特性，在中浓纸浆流体特性及试验室小试、中试和生产使用的基础上提出了纸浆湍流剪切力场小纤维网络体的&自打浆效应&新观点，以期为中浓打浆的研究和应用提供理论基础。

Rapids are created when rivers are on a steep gradient, making the water flow very fast, when the flow is constricted into a narrower channel, or where an obstruction such as a boulder interrupts the river, causing eddies and swirling currents.

当河流的坡度陡斜造成水流变快的时候，当水流被挤入更为狭窄的河道的时候，或是在河流被巨石之类的障碍物阻隔从而引起旋涡和涡流的地方，就会形成急流。

Today the red-brick factory buildings along the rapids are home to museums, a shopping mall, restaurants and boutiques.

而今，急流岸边的那些红砖工厂成为了博物馆、一家购物中心、餐馆和精品小店的所在地。

Even the black teacher has the same face. This title should be considered only after Patricia Reilly Giff's "Kids of Polk Street School " series and the "Polka-dot Mystery" series.--Sharron McElmeel, Cedar Rapids Community Schools, IA

书中的插图里出现了棕色和黄色的皮肤，还有各种颜色的头发，作者想利用这一点来表明这是一个多种族的班级，但是这并没有起到理想的效果，因为画面中每个孩子的面貌特征太过类似，甚至黑人老师也有着同样一张面孔。

When the wildflowers opened in June, you couldn't wait to swim, and.eventually you grew accustomed to the icy, bone-chilling water of the rapids.

六月的时候野花开了，你迫不及待地下河游泳，后来你习惯了那冰水般刺骨的激流。

Amongst the most outrages things I have done in adventure races was to abseil 2 rope length (that's almost 200meters) in the middle of the heavy downpour looking over the Kinta Valley, Flying Fox inside Gua Kandu at breakneck speed, river boarding down Sungai Kinta with class 3 rapids and hoping no monitor lizards would come nibbling your toes, caving in total darkness and submerging 90% inside the cave's river system to get to the other side.

其中最暴行，我在冒险的比赛做的事情是绕绳下降2绳的长度（即几乎二○○米在倾盆大雨中）偷看卦Kandu在近打谷，飞狐以惊人的速度，河登机双溪近打下来的第3类急流，希望没有巨蜥会来蚕食你的脚趾，在完全黑暗的洞穴探险和淹没洞内的水系90％到达对方。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。