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
Years of work went into these pictures.
多年心血换来这些照片。
His name is John Smith.
他叫约翰、史密斯。
Hello. Here's your eraser. Thanks very much!
给你橡皮。谢谢。