Blm
[化] 双层脂膜; 黑脂膜
🗣️ 情景例句
I have no definite ideas in that area right now.
在这方面目前我还没有具体的想法。
I'm afraid you will catch a cold.
我怕你会感染到感冒。
Here was a seven-year-old girl who at the age of 19 months had become deaf and blind.
一个7岁的女孩，出生19个月后就得了聋盲症。