查询词典 declare sth.

be afraid to do sth. be afraid of sth./doing sth：害怕做某事

far (away) from some place 离某地远 | be afraid to do sth. / be afraid of sth./doing sth. 害怕做某事 | every time + 时间状语从句 每次

be afraid of doing sth：做某事感到害怕

22. have problems with sth. / doing sth. 关于......有困难 | 23. be afraid of doing sth. 做某事感到害怕 | 24.get full marks once in an English exam 在一次英语测验中得到满分

be afraid of doing sth：害怕(担心)发生某种情况

be afraid of sb./sth. 害怕某人或某物 | be afraid of doing sth. 害怕(担心)发生某种情况 | be afraid to do sth. 害怕(不敢)做某事

be afraid of doing sth / sth：害怕某物/做某事

26. asleep adj. 睡着的 | 27. be afraid of doing sth / sth 害怕某物/做某事 | 28. be afraid to do sth 害怕做某事

be terrified of doing sth =be afraid of doing sth：害怕做某事

9.let sb. down 让某人失望 | 10.be terrified of doing sth.=be afraid of doing sth. 害怕做某事 | / be afraid to do sth.害怕去做某事

be afraid of sth/ doing sth：害怕...(不敢做...,恐怕

be unable to do 不能做... | 12)be afraid of sth/ doing sth 害怕...(不敢做...,恐怕...) | be afraid to do sth. 害怕做某事

be afraid of sth/ doing sth：害怕

ask sb for sth...询问;向......要 | be afraid of sth. /doing sth. 害怕 | be able to能;会

be afraid of sth：害怕(会做)

2). sorry for sth. that has happened or is likely to happen 很抱歉;恐怕,我想 | be afraid of sth. 害怕(会做) | be afraid to do sth. 不敢(去做)

afraid a be afraid of sth /doing sth：害怕/担心做某事

Only people of your means can afford an expensive car 只有向你这么有钱的人才能够买得了昂贵的汽车 | afraid a be afraid of sth /doing sth 害怕/担心做某事 | be worried about sth 担忧 (your health)

be afraid to do sth./of sth：害怕

be able to do sth. 能够做... | be afraid to do sth./of sth. 害怕... | be angry with sb. 生某人的气

liquid helium：液态氦

除了路径积分及应用在量子电动力学的研究成果之外,费曼其它重要的研究贡献还有1953年发表有关液态氦(liquid helium)超流体理论,以及1969年提出的成子(parton)模型.

fly wheel nut wrench：装拆飞轮螺母扳手

fly wheel magneto 飞轮式永磁发动机 | fly wheel nut wrench 装拆飞轮螺母扳手 | fly wheel pump 飞轮泵