Envelops
n. 包络线；信封（envelop的复数）
🗣️ 情景例句
It was his first date in two years.
这是他两年来第一次约会。
To carry passenger for a fare
收费运送乘客
It was raining heavily and they found that a stream had formed in the field.
雨下得很大，他们发现地上已经形成了一条小溪。