Tetramethylated
四甲基化的
🗣️ 情景例句
He's a nice man.
他是个好人。
Can I bring this on the plane?
这件我可以带上飞机吗？
Mrs.Sawyer stays at home every day.She does the housework.
索耶夫人每天呆在家里。她料理家务。