Elasticity of substitution
出国 Abroad[经] 替用弹性
🧩 词语组成解析
elasticity
[ilæs'tisiti]
n. 弹性;弹力;灵活性;伸缩性;
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
substitution
[ˌsʌbsti'tju:ʃən]
n. 代替;代用;替换;<化>取代（作用）;
🗣️ 情景例句
Do you have any objections to my paying in cash?
你反对我付现金吗？
Sorry, I'm engaged.
对不起，我有约在先了。
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。