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
and you won't get so many colds anymore.
你就不会老患感冒了。
I want to be a journalist after graduation.
毕业后我想当记者。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。