🧩 词语组成解析
n. [化]酰基
🗣️ 情景例句
Your room number is 512. Here's your key.
房间号码是512。这是您的钥匙。
Who can best handle the problem?
谁能将那问题处理得最好？
They cut big pieces of metal into small pieces.
它们把大块的金属切成小块。