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be down in spirits：情绪低落

be down for | 被列入名单 | be down in spirits | 情绪低落 | be down on one's luck | 倒霉

down jacket：羽绒服

down in the mouth 情绪低落 | down jacket 羽绒服 | down on one's luck 运气不佳

down jacket：鸭绒衣

鸭绒睡垫 Down sleeping bag | 鸭绒衣 Down jacket | 鸭绒裤 Down trousers

down jacket：羽绒茄克衫

down hunting jacket 羽绒猎装 | down jacket 羽绒茄克衫 | down knife 毛刀

down jacket：羽绒服 down n. 绒毛

fledgling a. 缺乏经验的,羽翼未丰的,刚刚起步的 | down jacket 羽绒服 down n. 绒毛 | staggering a. 惊人的

keep down：缩减

bring down 降低 | keep down 缩减 | trim down 裁减

I was dressed down by the teacher for lateness：我因为迟到而受到老师的责备

dress down 责备,指责;穿平常的衣服 | I was dressed down by the teacher for lateness. 我因为迟到而受到老师的责备. | I dressed down for such a casual occasion. 在这样非正式的场合,我穿着随便.

lay down one's arms：放下武器;投降

The conference will lay down the proper measures and methods. 会议将规定适当的措施和方... | lay down one's arms 放下武器;投降: | They declared that they would never lay down their arms. 他们宣布他们决不...

lay down one's life：牺牲(自己的)生命

Sooner or later, they will have to lay thir cards down. 他们迟早要摊... | lay down one's life牺牲(自己的)生命: | Some of them even laid down their lives for our cause. 他们有些人甚至为我们的事业献出了自...

look down upon/ on sb：瞧不起某人(这个词义太重,以后会学despise)

look down 朝下看 | look down upon/on sb : 瞧不起某人(这个词义太重,以后会学despise) | I look down upon my sister. 我瞧不起我妹妹.

Camphorwood：香樟

camphor oil 樟脑油 | camphorwood 香樟 | camp process 水泥保护木柱法

platinum resistance thermometer sensor：铂热电阻

plateau,平台;坪 | platinum resistance thermometer sensor,铂热电阻 | playback apparatus,回放仪