Concentration limit
[化] 浓度极限
🧩 词语组成解析
🗣️ 情景例句
A large number of American radio stations operate in the red.
许多美国电台亏损经营。
Lookers-on see most of the games.
旁观者清。
How interesting! said Ann. It makes me feel thirsty!
“真有趣！”安说，“都让我觉得口渴了！”