🧩 词语组成解析
zero
['zɪro]
n. （数字）0;零度;
adj. 全无的，没有的;
v. . 聚焦，集中;
coupon
['kupɑn]
n. 优惠券;息票，通票;试样，试件;配给券;
🗣️ 情景例句
What are you doing?
在做什么？
When an opportunity is neglected,it never comes back to you.
机不可失，时不再来；机会一过，永不再来。
How long are you staying in Xi'an?
你要在西安呆多久？