Denitrated zeolite
[化] 脱硝沸石
🧩 词语组成解析
n. 沸石\\n[化] 沸石
🗣️ 情景例句
when I was about eighteen years old.
那时我差不多十八岁。
Stand up,please.
请站起来。
A gifted American psychologist has said,'Worry is a spasm of the emotion;
烦恼是感情的发作，