Aerometry
n. 量氣學\\n[醫] 氣體比重測定法
??? 情景例句
We communicate with each other by letter.
我們用書信彼此聯系。
No one can call back yesterday;Yesterday will not be called again.
昨日不復來。
I've written it all down on this list.
我已經把它寫在這張條子上。