Catalyst tube
[化] 催化剂管
🧩 词语组成解析
🗣️ 情景例句
It has been a learning experience. That's true.
这真是一次学习经验， 真的。
Waste not,want not.
俭以防匮。
She was wearing a blue dress and a mink coat.She told me she had just made a new film.
她穿着一身蓝色的套装和一件貂皮大衣。她告诉我她刚拍完一部新片子。