Bicycle tube
[机] 自行车内胎
🧩 词语组成解析
🗣️ 情景例句
You have a good command of English.
你的英语水平很好。
I never would have thought of it if you hadn't mentioned it.
如果你没提及，我将不会想到它。
This figure rises to a staggering 60% of men in their sixties.
而到60岁这个年龄段，这个数字上升到令人惊愕的60%。