Preenvelop
预包络
🗣️ 情景例句
I've had a pretty high fever since yesterday morning.
从昨天早上起，我就一直发高烧。
I'm taking a walk in the park.
我在公园散步。
What bad weather! I don't like the snow.
天气糟透了！我不喜欢下雪天。