Ammonifier
氨化细菌
🗣️ 情景例句
He appeared ill at ease at the party.
他在宴会上显得很拘谨。
Idle people (folks) have the most labour (take the most pains).
懒人做工作，越懒越费力。
It's time I went and picked up my little girl from school.
我该去学校接我的小女儿了。