Ammonia(cal) nitrogen
[化] 氨型氮
?? 詞語組成解析
??? 情景例句
Where is your family from?
祖籍在哪里？
You're not wearing enough. It's cold out there.
你穿這樣不夠保暖。
I'm poor, but I always enjoy myself! he said. I don't know why!
“我很窮，但我總是過得很愉快！”他說，“我不懂為什么！”