Diphaser
二相发电机
🗣️ 情景例句
even fifty years later.
五十年之后还是这样。
His working is behind schedule.
他的工作比预定的进度落后了。
If, at the time, the British had not feared invasion, it would have been completed.
如果不是因为那时英国人害怕入侵，隧道早已建成了。