Pre-groups
(pre-group 的第三人称 -s形式) 前群
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
n. 群组, 组；用户组；团体（group的复数形式）
🗣️ 情景例句
How many languages do you speak?
你会讲几种语言？
Now, we're doing something new making skin strong enough that it doesn't wrinkle, become dry, or develop blemishes.
现在我们正在做一些改进，使皮质变得坚韧而不致有皱纹，变干或产生磨损。
I'm hungry. I haven't eaten anything since yesterday.
我很饿了，昨天到现在都没吃过东西。