🧩 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;
🗣️ 情景例句
He ventured his life to rescue a drowning child.
他冒着生命危险去抢救一个溺水的孩子。
How long does it take?
火车要开多久？
It's time to get down to business now.
是进入正题的时候啦。