查询词典 DO

be able to do sth/be unable to do sth：能/不能做某事

11. set off出发; 动身 | 12. be able to do sth/be unable to do sth 能/不能做某事 | 13. sit in one's seat 坐在某人的座位上

be willing to do sth：愿意做某事/形容词词组

14. be afraid to do sth. 害怕做某事/形容词词组 | 15. be willing to do sth. 愿意做某事/形容词词组 | 16. do sth. with a purpose 有目的地做某事/故意做某事/动词词组

be willing to do = like to do：愿意

there is no doubt毫无疑问 | be willing to do = like to do愿意 | a number of 若干 ,一些

be willing to do / be ready to do：愿意做

14. 我最好的朋友之一 one of my best friends | 15. 愿意做... be willing to do / be ready to do | 16. 和朋友分享某物 share something with friends

begin to do sth.. = begin doing sth. = start to do sth. = start doing sth：开始做某事

become friends 成为朋友 | begin to do sth.. = begin doing sth. = start to do sth. = start doing sth. 开始做某事 | begin with 以...开头

start to do sth. = start doing sth. = begin to do sth. = begin doing sth：开始做某事

square metres 平方米 | start to do sth. = start doing sth. = begin to do sth. = begin doing sth. 开始做某事 | take a boat trip 乘小船旅行

begin to do sth / begin doing sth：开始做某事

prefer to do sth / prefer doing sth. 宁可做某事 | begin to do sth / begin doing sth. 开始做某事 | start to do sth / start doing sth. 开始做某事

begin to do sth / begin doing sth：开端做某事

prefer to do sth / prefer doing sth. 宁可做某事 | begin to do sth / begin doing sth. 开端做某事 | start to do sth / start doing sth. 开端做某事

begin doing sth=begin to do sth：开始做某事

67.start doing sth=start to do sth开始做某事 | 68.begin doing sth=begin to do sth开始做某事 | 69.like doing sth=like to do sth喜欢做某事

start do sth. =begin to do sth：开始做某事

in the old days 在过去, 在古代 | start do sth. =begin to do sth 开始做某事 | make sure 确信

Fix, Unfix,Group,Ungroup：(固定, 不固定,成组, 不成组)

Align Components(元件对准) 79 | Fix, Unfix,Group,Ungroup(固定, 不固定,成组, 不成组) 80 | Select Net(选择线网) 80

glycol monoacetate：乙二醇一乙酸酯

glycol lubricant 乙二醇润滑剂 | glycol monoacetate 乙二醇一乙酸酯 | glycol monobenzyl ether 乙二醇一苄醚