🧩 词语组成解析
n. 凸轮, 计算机辅助制造, 中央地址存储器\\n[计] 计算机辅助制造; 计算机辅助生产
river
['rivə]
n. 河，江;溪，巨流;
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
Opportunity makes the thief.
疏忽招盗贼。
when the plane suddenly turned round and flew back to the airport.
这时飞机突然调转头来，飞回了机场。