Humectation
[医] 致湿[作用]
🗣️ 情景例句
I'm having a wonderful time.
我过得很愉快。
The price of this model of cassette-player is 2500 Belgian francs at today's rate of exchange.
这个型号的录音机，按今天汇率，每台2500比利时法郎。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；