Efficiency curve
[经] 效率曲线
🧩 词语组成解析
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
Could you please give me a receipt?
给我一张发票。
Hello. Is Marie Ward there, please?
喂，请问玛丽沃德在吗？
This pen doesn't write well.
这钢笔不好写。