Hydrotimeter
水硬度计
🗣️ 情景例句
Do you want a first class, business class or economy seat?
你想要头等舱、商务舱还是经济舱？
Look, he's high.
瞧，他是个高傲的家伙。
What are the selling points of your product?
你们的销售重点是什么呢？