Natrometer
测钠计, 钠量计
🗣️ 情景例句
This job is hard work.
这活儿太累人了。
That isn't the way the event happened.
这不是事情的真相！
Not that long ago!I'm not more than twenty-nine myself.
不，没有那么久。我自己现在还没29岁呢。