忙于做某事

Be busy doing sth.

的意思都是"忙于做某事"。

Be busy in doing sth/ with sth.

忙于做某事

Be busy with /be busy doing sth.

忙于做某事

Be busy doing 和 be busy with sth.

都表示忙于做某事

Be busy doing, keep busy doing sth.

忙于做某事。

Be busy with sth./be busy doing sth.

忙于做某事/动词词组 13。

Be busy with / doing sth.

忙于做某事

A be busy doing sth.

忙于做某事。

D词组be busy doing sth.

意思是"忙于做某事"。

Enjoy doing sth finish doing sth feel like doing sth stop doing sth forget doing sth go on doing sth 乐于做某事完成做某事想要做某事停止做某事忘记做过某事继续做某事 remember doing sth like doing sth keep sb doing sth find sb doing sth see/hear/watch sb doing sth try doing sth need doing sth prefer doing sth mind doing sth practice doing sth be busy doing sth can't help doing sth miss doing sth

主语的第三人称单数形式，即可用"he， he， she， it my friend， his teacher， our classroom，记得做过某事喜欢做某事使某人一直做某事发现某人做某事看到/听到/观看某人做某事试图做某事需要做某事宁愿做某事介意做某事练习做某事忙于做某事禁不住做某事错过做某事 she， it"代替的。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐