Biotest
生物监测
🗣️ 情景例句
Yes. But could you wait one minute?
是的。不过， 你能等一下吗？
Which foot hurts?Is it the left one?
哪个脚受伤?是左脚？
I don't like autumn and winter.The days are short and the nights are long.The sun rises late and set early.
我不喜欢秋天和冬天，因为此时白天短而夜晚长，太阳升得迟而落得早。