Determeter
(往复式)去污试验仪
🗣️ 情景例句
The airport rescheduled a flight.
机场改变了航班时间。
He deserves praise.
他应得称赞。
We've seen several members of the family since we arrived my grandfather and my aunt and uncle.
自我们回来以后已经见到了好几个家庭成员祖父、姑姑和叔叔。