Mesitylic acid
[化] 2,4,4-三甲基-5-氧代脯氨酸
🧩 词语组成解析
🗣️ 情景例句
Today, trade imbalance between the United States and our country is becoming worse.
当前美国与我国间的贸易不平衡问题正日益恶化。
Happy is he that is happy in childhood.
童年时代快乐的人是幸福的。
'He had travelled only seven miles across the Channel when his engine failed and he was forced to land on sea.
但他只在海峡上空飞行7英里，引擎就发生了故障，他只好降落在海面上。