Equivalent piston method

equivalent [ɪ'kwɪvələnt]

adj. 相等的，相当的，等效的;等价的，等积的;[化学]当量的; n. 对等物;[化学]当量;

equi相等，平均+val力量+ent形容词后缀→力量平等→相等的，等价的

piston ['pɪstən]

n. <机>活塞;

method ['mɛθəd]

n. 方法;条理;

meth(meta-=after)+od(way)→方法；体系；秩序（=a way after,a following after）

I'm exhausted. I had to work until 2 o'clock this morning.

我累死了。我一直得干到今天早上2:00。

Do you have a try?

你有试过吗？

I want to ask you for your advice. When I leave school, I want to be an engineer. For years I have been interested in engineering. I have made tools at home and have written articles for magazines. My father says that engineering is not a suitable subject

我希望得到您的指点。中学毕业后，我希望成为一名工程师。多年来，我一直对这个方面感兴趣。我在家制作各种用具，给杂志写文章。我的父亲说工程学不适合女孩子学。他要我学习地理。可是我对这门学科一点也不感兴趣。我尝试阅读有关这方面的书籍，然而，我感到索然无味。我该?2283