Decarbonylation
脱羰作用
🗣️ 情景例句
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
She is the boss in the house.
她是一家之主。
My name is Jim Green.
我叫吉姆格林。