Priority structure
[计] 优先级结构
🧩 词语组成解析
🗣️ 情景例句
I try to keep a regular schedule every day.
我每天努力遵守有规律的安排。
I'm always disappointed when I don't get any mail.
当我收不到任何邮件时，我总是很失望。
riding on its air cushion over a single rail, which it never touches,at speeds up to 300 m.p.h.----the possibilities appear unlimited.
靠气垫在单轨上行驶而不接触轨道，时速可达每小时300英里。气垫船的前途是不可限量的。