secondary的近义词/同义词有：spare, back-up, temporary, provisional, utility, extra, alternative, substitute, second, next, collateral, inessential, lower, ancillary, nonessential, smaller, accessory, less, auxiliary, subordinate,...

billisecond的音标：billisecond的英式发音音标为：['bɪli:sekənd]billisecond的美式发音音标为：['bɪlisekənd]...

n.百分之一秒，厘秒...

Provide graphic depictions of the disastrous consequences of smoking and secondhand smoke.提供描绘吸烟和吸二手烟带来的灾难性后果的图像.Do you know where I can get hold of a secondhand carpet cleaner?你知道我在哪里可以弄到旧的地毯吸尘器吗?I bought a secondhand c...

centisecond的音标：centisecond的英式发音音标为：['sentɪsekənd]centisecond的美式发音音标为：['sentəˌsekənd]...

After fifteen years of teaching,he was seconded to the Ministry of Education to advise them on school planning.任教15年后,他被调到教育部协助制定教育规划。After fifteen years of teaching, he was seconded to the Ministry of Education to advis...

adj.旧的，用过的，二手的，（消息、信息等）间接得来的...

second的现在完成时为：seconded...

second的现在进行时为：seconding...