keep at什么意思解释？

"Keep at it!" Thade encouraged me.“坚持下去！”萨德鼓励我道。Keep at him till he agrees.盯住他直到他同意为止.Keep at it, don't relax!继续努力, 不要泄劲!...

keep at的音标：keep at的英式发音音标为：[ki:p æt]keep at的美式发音音标为：[kip æt]...

Nothing betokened that the man know anything of what had occurred.显然那个人还不知道已经发生了什么事.He addressed a few angry words to her that betokened hostility.他对她说了几句预示敌意的愤怒的话.His nod betokened acceptance.他点头表示接受....

用A替B...

'Steve, what do you want?' — 'Coke, Pepsi, it doesn't matter.'“史蒂夫，你要喝点什么？”——“可口可乐，百事，随便啦。”Young Iranians may grumble, wear jeans, drink Pepsi and watch football.年轻的伊朗人可能会抱怨, 会穿着牛仔裤, 喝着可乐看着足球.Pep...

calf的音标：calf的英式发音音标为：[kɑ:f]calf的美式发音音标为：[kæf]...

accumulate的现在完成时为：accumulated...

同样地,一些艺术专家推测卡纳莱托的许多真作还未被发现.Equally some art experts speculate that many genuine Canalettos have yet to be unearthed....

如有必要, 可沿横丝绺抽出一根纱线, 再沿着这条线将面料剪开.If necessary, pull a strand of yarn along the crosswise grain, and cut along this yarn....

microsubspecies的音标：microsubspecies的英式发音音标为：['maɪkrəʊsʌbspi:ʃi:z]microsubspecies的美式发音音标为：['maɪkroʊsʌbspiʃiz]...

evaporator的音标：evaporator的英式发音音标为：[ɪ'væpəˌreɪtə]evaporator的美式发音音标为：[ɪ'væpəˌreɪtə]...

haemal的音标：haemal的英式发音音标为：['hi:məl]haemal的美式发音音标为：['himəl]...

“朽木”的拼音为：xiǔ mù ...

微量血液管...

Hiodontidae的音标：...

The books looked faded, dusty and unused.那些书看上去褪了色，尘封已久。Prune rambling roses when the flowers have faded.花朵凋谢后要剪除杂生的玫瑰枝。All colour had faded from the sky.天上的颜色都退去了。...

maze的第三人称单数（三单）为：mazes...