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811, trivial a.琐碎的;平常的 adj. 琐碎的, 没有价值的, 没有意义的 At first, the incident seemed to be trivial. 起初, 这一事件似乎并不重要。平常的, 普通的 812, tuck vt.折短,卷起;塞 把----藏人;用----盖住; n 褶，大褶，零食，减肥手术 He tucked his shirt into his trousers. 他把衬衫塞进裤子里。 813, tug vi.用力拖 n.猛拉,拖 We tugged so hard that the rope broke. 我们使劲地拉以至把绳子拉断了。 Tom felt a tug at his sleeve. 汤姆觉得袖子被人拉了一下。 814, tuition n.教,教诲;学费 Her yearly tuition is $2, 000. 他一年的学费是两千美元。 He received tuition in painting for one year. 他学了一年绘画。 815, tumble vi.摔倒,跌倒;打滚 滚 Children tumble over each other in play. 孩子们玩耍时相互连身翻滚。 The child tumbled down the stairs. 小孩从楼梯上跌下来。 〈非正〉恍然大悟; 忽然明白 | 
