China, long the global economy's most powerful engine, many now fear, is running out of fuel.1)这句话中,long的词性是什么?属于什么用法?2)many of fear 放在这里是什么用法呢?很少见放在这样的位置。
The converged muscle motion profile is an open-loop control generated
through repetition and learning.
请问这个generated through repetition and learning是定语还是状语?
...条下,有这样的例句:
She was off again, last year she had been to Kenya. This year it was Goa.
此句我就不知道是用一般过去时表过去将来,还是表状态。
对于 I am off 或 Tom is off 的含义,不知道是我或汤姆将要走(动身)呢, 还是指...