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
Then why don't we go look at this house, too?
那我们何不也去看看这栋房子？
The increase in sales is being maintained.
销售额持续增长。
What are you doing?
你在干什么？