Preoperation
空转, 试运行, 试运转
🗣️ 情景例句
There just wasn't enough time.
实在是没有足够的时间。
How's your niece?
你的侄儿好吗？
I'm afraid that he'll forget it if he misses so many lessons. He may even fail his Chinese exam.
如果他再缺这么多课，恐怕他会忘记很多的。他的汉语考试甚至会不及格。