Determeter
(往复式)去污试验仪
🗣️ 情景例句
He's going to be in New York tomorrow
明天， 他要来纽约
She was the more promising worker of the two.
她是两个工人中比较有前途的一个。
Rescue workers are therefore drilling a hole on the north side of the mine.
因此，营救人员在矿井的北侧钻了一个洞。