Coal grading
[建] 煤的分级
🧩 词语组成解析
coal
[kol]
n. 煤;煤块;煤堆;木炭;
vi. 上煤;加煤;
vt. 给…加煤;把…烧成炭;
[经] 分级, 归类
🗣️ 情景例句
I know somewhere you can eat Japanese food.
我知道个地方，可以吃日本菜。
Be careful whom you appoint to the position of manager.
你该当心你所任命的那个经理。
is to make your interests gradually wider and more impersonal,
就是逐渐使自己的兴趣更加广泛，逐渐摆脱个人狭小的圈子，