Coal slack
[建] 煤屑
🧩 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;
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;
🗣️ 情景例句
Her illness kept her in bed for a week.
她因生病而在床上躺了一星期。
My cousin is a member of a riding club, He seems riding.
我的表兄是一个骑马俱乐部成员，他似乎很喜欢骑马。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。