《They sometimes work harder》Life now and then PPT课件2
《They sometimes work harder》Life now and then PPT课件2第5页

double seldom spare spare time speak up deaf

v. 使加倍;把……增加一倍; adj.(成) 双的;两个…… adv. 很少地;不常 adj.空余的;备用的 业余时间;闲暇 大点声说 adj. 聋的