B acid
[机] B酸
🧩 词语组成解析
🗣️ 情景例句
Summer is my favorite season; I love the heat.
夏季是我最喜欢的季节，我喜欢热。
A new bicycle is out of the question - we can't afford it.
买新自行车的事谈不上 —— 我们买不起。
Don't worry. I'm OK.
别担心。我没事。