Blm
[化] 双层脂膜; 黑脂膜
🗣️ 情景例句
Come in. Oh, Carl and David.
哦，是卡尔和大卫，请进。
Well, to tell the truth, I was a little disappointed.
说实话，我有点失望。
This work itself is very easy.
这件工作本身很容易。