Depthometer
n. 深度计
🗣️ 情景例句
Who is your best man?
谁是你的伴郎？
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。
Ships may be delayed by storms; flights may be cancelled because of bad weather, but trains must be on time.
轮船船期可能因风暴而推延，飞机航班可能因恶劣天气而取消，唯有火车必然是准点的。