查询词典 be poor at

In China's poor areas, economic and cultural backwardness and too many births often ''.

在中国的贫困地区，经济、文化落后与过多生育往往互为因果。

Long seen by that distinguished another and by so many others as a poor backwater .

长期被认为杰出的东西和衡量其他国家的贫穷落后。

Who was born into a very poor family in a shack in the backwoods of Tennessee.

她生在田纳西州人烟稀少地区，居住在一个破旧房屋里的一个穷人家里。

Let me tell you about a little girl who was born into a very poor family in a shack in the backwoods of Tennessee.

请听我讲一个幸运小女孩的故事。

There are a number of different causes of bad breath, but poor dental hygiene is the most common.

有许多不同的原因，口臭，但穷人的牙齿卫生是最常见的。

So you can't always say you are poor and you have bad luck.

所以，你不能总是说你是穷人和你有坏运气。

So you cannot say you are poor and you have bad luck.

所以你不能说你穷或你的运气不好。

The poor girl has no idea that her best friends always bad-mouth her behind her back.

那可怜的女孩不知道她的好朋友们总是在背后说她的坏话。

We may be poor, but we are not that badly off.

我们虽然穷，可我们还没穷到那么糟糕。

In the cities, the poor are as badly off as they were in the villages.

在城里，穷人们还象他们在农村时一样贫穷。

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。