Deuterium
n. 氘, 重氢\\n[化] 氘; 重氢
🗣️ 情景例句
Work harder and practice more.
要更加努力地学习，更加勤奋地操练。
What month is next month?
下个月是几月份？
So she's been at this school since September?
这么说来，她自9月份才在这所学校学习？