Natron
n. 泡碱\\n[化] 泡碱
🗣️ 情景例句
Fast asleep.
正熟睡着呢。
I think it's going to be too high.
我认为它将太高。
It was upon this principle that the first instruments were made,
据这一原理，制造出了最初的地震仪器，