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
I think it looks great, thank you.
我觉得它看起来不错， 谢谢！
They had excepted me to go with them.
他们原本希望我和他们一起去。
Jim, could you help me, please? I want to get some books.
吉姆，你能帮我一下吗？我想拿些书。