Slack coal
[机] 碎煤
🧩 词语组成解析
slack
[slæk]
adj. 松（弛）的;清淡的;不活跃的;懈怠的;
v. 懈怠;偷懒;减速;放松;
n. 宽松裤;（绳索等）松弛部分;煤屑;（人员、资金或地方的）富余的部份;
coal
[kol]
n. 煤;煤块;煤堆;木炭;
vi. 上煤;加煤;
vt. 给…加煤;把…烧成炭;
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
It is a mistake to trust him.
信任他是个错误。
They stretch out their legs like flying squirrels.
它们伸展四肢，就像飞行中的松鼠一样。