Arc elasticity
[经] 弧线弹性
🧩 词语组成解析
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
elasticity
[ilæs'tisiti]
n. 弹性;弹力;灵活性;伸缩性;
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
We've priced it at $ 98, almost 30% less than the competition.
我们订价为98美元，几乎少于竞争对手30%。
becomes so worn and unreliable that it eventually is not worth mending.
磨损太厉害，老得一点儿也不准了，最终会不值得修理了。