Gravimetroscope
液体蒸发速度测定器
🗣️ 情景例句
Have you been to our Tourist Information Center?
你去过我们的旅客服务中心吗？
May I help you?
要我帮忙吗？
The curtain went up on the final act of the play and revealed the aristocrat sitting alone behind bars in his dark cell.
大幕拉开，最后一幕戏开演，贵族独自一人坐在铁窗后阴暗的牢房里。