I can read French but I can't speak it.

I'm sorry. I can not speak English very well, but I can read document in English.

我很抱歉, 我的英语说得不好, 但我能看懂英文资料.

Even a child can understand the book.

连孩子都能看懂这本书.

He reads French, but doesn't speak it.

他能看懂法语, 但不会讲.

Gasping for breath, Winston still failed to understand the road symbols.

温斯顿气喘吁吁，仍然没能看懂道路标识。

How to explode the perceived value of your offers!

如何引爆的知觉价值,你优惠!

He was jailed for 45 years after a failed attempt to blow up a plane by planting a bomb that failed to blow.

他因试图通过安放一枚未能引爆的炸弹来炸毁一架飞机未遂而被判入狱45年。

The scientists will detonate the experimental device in a controlled environment tomorrow.

科学家们明天将在受控环境中引爆实验装置。

On the other hand, there is another group of structured surfaces which shows antireflective AR effect.

另一方面, 有另一类的具结构表面展现出抗反射的效果.

Objective To study improved synthetic method of 1-[ ( 4-chlorophenyl ) phenylmethyl ]-piperazine, the intermediate of cetirizine hydrochloride.

目的探讨西替利嗪的中间体1-犤 ( 4- 氯苯基 ) 苯甲基 犦 - 哌嗪的合成方法的改进.

The paper has reviewed the market development and related uses of piperazine.

本文首先简要介绍了无水哌嗪的市场发展情况以及相关用途.

A gang of 23 teen-age computer hackers has done significant damage to Chase Manhattan Bank records.

一群23 岁 的电脑骇客们对大通银行的记录造成了巨大破坏.

I was particularly struck by a group of teen-age girls going through their basic skills.

给我印象最深的是一群10多 岁 的练基本功的女孩子.

In the teen-age years the concept of happiness changes.

到了青少年时期,幸福观变了.

Every street had its teen-age gang in those days.

在那个时候,每条街的孩子都有帮.

However, the D-optimality does not consider the departure of the true model from the assumed model.

而当真实模型与假设模型有偏离时, D - 最优设计就会失去其有效性.

Finally, a heuristic search for the optimality would be performed under the constraints.

最后, 根据约束条件搜寻最优解.

Optimality conditions for vector optimization problem to attain strictly efficient solutions are considered in the paper.

本文研究向量优化问题在严有效解意义下的最优性条件.

Finally, optimality necessary and sufficient conditions for nonlinear convex semidefinite programming are proved.

并给出了非线性半定规划的最优性必要和充分条件.

A new way is carried out for design and optimality of the horn.

为超声变幅杆的设计和优化提供了新的途径.

The optimality conditions for multiobjective semi-infinite programming with semilocally convex functions are given.

研究半局部凸函数在多目标半无限规划下的最优性.