Over his shoulder was thrown a rough brown coat, all torn and full of holes; his thick boots were old and patched; and with one hand he leant on a rough stick, while with the other he held out his battered hat for money. 这句中的 while 是连词吧,“与...同时”的意思吗?
1)Under the new plan, students will have shorter summer vacations and longer winter vacations.2)Summer vacation begins today.第1)句中,summer vacations是复数形式;第2)句中,直接就是summer vacation。summer vacation什么时候用复数?什么时候直接用summer vacation?
The equation is a representation of x[n] as a linear combination. 请问一下老师,这句话中as a linear
combination 这个介词短语是什么句子成分?这个短语是修饰representation呢还是修饰x[n]呢?我个人推测是定语,但不知道修饰前面哪个名词。
Domestic delivery companies such as STO have had a rollercoaster ride on the public markets, with several sinking following their debuts.
请问这里的sinking是名词呢还是分词?翻译写的是有几家企业在上市后股份下跌,那说明several是个代词sinking是分词,那后...