Dielectrometer
电介质测试器
🗣️ 情景例句
He's gone out of business.
他失业了。
Please show us the shipping costs for several possible carries.
请告诉我们几种可能的运输方式的价格。
A lot of cars entered for this race last year and there was a great deal of excitement just before it began.
去年有很多汽车参加了这项比赛。比赛开始之前，人们异常激动。