Envelop curve
[经] 包络曲线
🧩 词语组成解析
envelop
[in'veləp]
vt. 包围，包住;笼罩，遮盖;
curve
[kɝv]
n. 弧线，曲线;曲线状物;弯曲物;[棒]曲线板;
vt. 使弯曲;使成曲线;使成弧形;
vi. 弯曲;弯成曲线，弯成弧形;沿曲线行进;
adj. 弯曲的;曲线形的;
🗣️ 情景例句
He was dumb from birth.
他生下来就是哑巴。
No, it isn't. It's a bus.
不，那是一辆公共汽车。
Over a hundred people must have been driven away from their homes by the noise.
有100多人肯定是被噪音逼得已经弃家远去，