three-second 同上,是3秒,还是3/2大家有没有标准一些的答案？

three-second 同上,是3秒,还是3/2大家有没有标准一些的答案？ 前3秒指的是时刻还是时间同上 秒的英语是second吗 second three的意思 C,second thirds. D Second three it take three second to say I love you three hours to explain .it Ada lifetime to prove it 是 a three second memory什么意思 0.4秒英文是0.4 second还是0.4 seconds?小于1的秒数英文要用复数还是单数? NBA英文歌曲歌词中高潮部分one second ...two second...three second.的歌曲是哪首 school is out in three days.同上 原声与回声至少间隔多少秒同上谁说的？根据是啥 0.4秒用英语是seconds,还是second?1秒很显然是单数,按照道理现在连1都不到,不应该是复数, He is the second ______(good) player of the three. Every second three Barbie Dolls are sold around the second是啥意思 3/37英语怎么说?是three-three-sevenths还是three-thirty-sevenths The computer lab is on the（）（two second）floor.There are（）（three third）floors in this buildi是building Nowadays___[two third/two thirds/two three/second three] of business letters are written in