Convex rule
[机] [卷]钢尺
🧩 词语组成解析
convex
['kɔn'veks]
adj. 凸的，凸面的;凸状;凸形;
rule
[ru:l]
n. 规则，规定;统治，支配;章程;
vt.& vi. 控制，支配;判定;裁定，裁决;价格稳定;
vt. 统治;规定;管理;裁决;
vi. 统治;管辖;裁定;
🗣️ 情景例句
It will take less than 5 minutes to check out.
退房最多只需5分钟。
It's going to rain this afternoon.
今天下午好像要下雨。
Our knowledge of the oceans a hundred years ago was confined to the two-dimensional shape of the sea surface and the hazards of navigation presented by the irregularities in depth of the shallow water close to the land.
100年前，我们只知道海洋是二维平面形的，以及靠近陆地浅水区的深浅不一能给航行带来危险。