查询词典 necessary

We must bestir ourselves to take the necessary action.

我们必须积极采取必要的行动。

He held himself ready to bestride the animal at a moment's notice, should flight become necessary

象童本人做好准备，假使必要的话，他就立刻跳上大象逃走。

In the 40s and 50s, a bicycle is a necessary betrothal gift for bride in China.

早在四五十年代的中国，自行车就是结婚时男方必不可少的聘礼之一！

According to custom, betrothal gifts are necessary for an engagement.

按照习俗，订婚是一定要有定礼的。

Is it necessary to respect one's betters?

尊敬长辈有必要吗？

Bettina said she is doing practical training here because she is a graduate student. Her major is sociology. She said practical training is obligatory for them in their course but not necessary abroad.

Bettina表示，会在大叶实习是因为她目前仍是一个主修社会学的研究生，而实习在他们的课程中是必修的一环，但是不一定要在国外实习。

With the education reform, it is necessary to construct a new relationship adapted to the times between teachers and students.

随着教育改革的不断深入，建立与时代相适应的新型师生关系非常有必要。

Therefore, both the theoretical research and the practical application, it is very necessary to establish the basic theory of non-linear dynamics of spiral bevel gears and hypoid gear drives.

对于齿轮系统动力学的研究，不但可以分析和预测齿轮系统的振动和噪声，而且反过来也对齿轮的设计和加工提出了新的要求。

For most of us, diversification in love, at least beyond a very small number, is impossible, so it's necessary to do a lot of research on the choice you make.

对我们大多数人来说，在爱情方面多元化（即便是在一个极小的多元化数目）都是不可能的，因此有必要对你的选择做充分的研究。

For most of us,diversification in love, at least beyond a very small number, isimpossible, so it's necessary to do a lot of research on the choice youmake.

对我们大多数人而言，分散爱情的风险，是不可能的。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。