n. dust consisting of a mixture of small coal fragments and coal dust and dirt that sifts out when coal is passed over a sieve
n. a stretch of water without current or movement
n. the quality of being loose (not taut)
n. a cord or rope or cable that is hanging loosely
n. 松弛, 松懈, 淡季, 闲散, 家常裤
a. 松弛的, 不流畅的, 疏忽的, 无力的, 呆滞的, 软弱的, 漏水的
adv. 马虎地, 缓慢地
vt. 放松, 使缓慢
vi. 松懈, 减弱, 松弛