Hydrothermostat
水柱式恒温器
🗣️ 情景例句
Your duties include checking the post and distributing it.
你的职责是检查和发送邮件。
It's not too heavy,but I don't know the exact weight.
它不是太重的，但是我不知道准确的重量。
I was able to tell him that he had pulled out the wrong tooth.
我总算有可能告诉他，他拔错了牙。