查询词典 displacement-time graph

at one time：同时,曾经,从前曾

at no time 从不,决不 | at one time 同时,曾经,从前曾 | at the same time 但是,然而

at one time with another：在不同场合, 在不同的时期

at one time and another 在不同场合, 在不同的时期 | at one time with another 在不同场合, 在不同的时期 | at one and the same time 在同时; 一面...一面又

at one time and another：在不同场合, 在不同的时期

at one time(过去)有个时期; 曾经, 一度 同时 | at one time and another 在不同场合, 在不同的时期 | at one time with another 在不同场合, 在不同的时期

at that time：在那时 at this time 在这时

15.in silence 沉默地 | 16.at that time 在那时 at this time 在这时 | 17.in space 在太空中

at the time：在~~的时候

at the same time 同时 | at the time 在~~的时候 | by the time 到~~的时候

at the time：那时,当时

at the same time 同时,但(与此同时) | at the time 那时,当时 | at the time of... 在......的时候

at the very start：(此时)

at daybreak, at dinner-time, at dusk(在黄昏), | at Easter, at first sight,(一见到), | at the start, at the time being, at the time of, at the very start, at this point(此时),

at the start, at the time being, at the time of, at the very start, at this point：(此时)

at daybreak, at dinner-time, at dusk(在黄昏), | at Easter, at first sight,(一见到), | at the start, at the time being, at the time of, at the very start, at this point(此时),

at this time of year：在一年的这个时候

533.love this time of year 热爱/一年的时候 | 534.at this time of year 在一年的这个时候 | 535.at a good/ bad time of year 在一年中好/坏的时候

at this time of the year：在(一年)这个时节里

[05:21.30]It's difficult to cook ans watch TV at the same time. ... | [05:28.44]at this time of the year ;在(一年)这个时节里 | [05:32.47]It's very different from Australia at this time of the year. ;这...

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