B-grade
乙级
🧩 词语组成解析
🗣️ 情景例句
We once found a cat.
我们有一次找到一只猫，
I don't think it's four o'clock yet.
我认为现在还不到四点。
Rubbish, however, is only part of the problem of polluting our planet.
然而，垃圾只是我们这个星球的污染问题的一个方面。