B acid
[机] B酸
🧩 词语组成解析
🗣️ 情景例句
They graduated from high school last year.
他们去年高中毕业。
Do you enjoy watching your babies grow into people?
目睹子女长大成人是一件快乐的事情吧？
It's nearly ready.We can have dinner at seven o'clock.
马上就好。7点钟我们可以吃饭。