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【比较】try to do sth与try doing sth：前者表示设法做某事，后者表示做某事试试看(有何效果)：Please try to be quiet. 请设法保持安静。/ Try pressing the green button. 按绿色按钮试试。
Tuesday[????????] n.星期二：I’ll come to see you on Tuesday. 我星期二来看你。 turn[????] v.旋转，转动，翻转，转变：Turn left at the end of the road. 在路的尽头向左拐。
【短语】turn down 关小，调低 / turn into 变成，变得 / turn off 关掉(自来水、电灯、收音机等) / turn on 开(电灯、无线电等) / turn over 翻倒；翻身；翻(书页) / turn to 翻到；转向；求助于；求救于 / turn up 开大(音量)；出现
twelfth[??????] num.第十二：December is the twelfth month of the year. 十二月是一年的第12个月。
twelve[?????] num.十二：There are twelve inches in a foot. 1英尺有12英寸。 twentieth[?????????] num.第二十：live in the twentieth century 生活在20世纪 twenty[???????] num.二十：He got married in his twenties. 他20多岁结的婚。 twice[?????] adv.两次；两倍：We meet twice a week. 我们每星期碰两次头。/ This box is twice as large as that one.=This box is twice the size of that one. 这个盒子是那个盒子的两倍。
two[???] num.二：Add two spoons of sugar. 加两匙糖。
type[????] n.[C]类型；样式 v.打字：Are you familiar with this type of car? 你熟悉这种型号的汽车吗?/ She types fast. 她打字打得快。
typist[????????] n.[C]打字员：She works as a typist. 她当打字员。
U
bear the ugly smell. 我受不了这讨厌的臭味。 开始下起来，雨伞也都打开。
ugly[?????] adj.丑陋的；讨厌的；不愉快的：an ugly building 难看的建筑物 / I can’t umbrella[????????] n.[C]雨伞：Down came the rain and up went the umbrellas. 雨uncle[?????] n.[C]叔，伯，舅，姑父，姨夫：Uncle Jack 杰克叔叔 / Uncle Sam 山姆大叔(美国或美国人的绰号)
under[?????] prep.在?下面，在?里面；(数量、程度、范围等)少于，低于，在?以下；(职位、权势等)低于，在?之下；在?中，在?期间 adv.向下，在?下面；少于，年纪小于：The bottle fell under the table. 瓶子掉到桌子底下。/ The price is under five dollars. 价钱不到5美元。/ He is under the doctor’s care. 他在医生的照顾中。/ My car is under repair now. 我的车现在正在修理中。
understand[???????????] v.(understood, understood)明白；理解；懂得：Can he make himself understood in English? 他能用英语表达自己的意思吗? / I can’t understand him [his] leaving so suddenly. 我不理解他怎么这样突然走掉。
uniform[??????????] n.[C,U]制服 adj.一致的，一样的，整齐划一的：The students are in school uniform. 学生穿着校服。
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