Natrometer
测钠计, 钠量计
🗣️ 情景例句
and if he talks as loudly as he cries,
如果他说话像他哭一样大声，
She couldn't discern the very slight differences between the two.
她无法分辨双方为少的差异。
Money is no more than our servant.
金钱不过是我们的仆人。