luxury[ˈlʌkʃəri]

【词频】★★★☆☆

adj. 奢华的

n. 奢侈；奢侈的享受

【例】n. 奢侈的享受

（2011上海）It turned out that, when the architects were designing the new building, they decided that the coffee room where everyone ate their sandwiches at lunch times was an unnecessary luxury and so did away with it.

【译】结果是，建筑师们设计新大楼时，认为咖啡室用作人们午餐时吃三明治的地方没有必要，是奢侈的享受，因此便将咖啡室去掉了。

mailbox[ˈmeɪlbɒks]

【词频】★★★☆☆

n. 信箱 ；邮筒

migrate[maɪˈgreɪt]

【词频】★★★☆☆

v. 移动；迁移；移往；随季节而移居

【例】v. 迁移

（2012浙江）As global temperatures rise, they would naturally migrate to higher ground—but they already occupy the mountaintops. They can't go any higher.

【译】随着全球气温上升，它们自然会迁移到更高的地方，但是它们已经占领了山顶，没法再往更高处走了。

【派】migrant[ˈmaɪgrənt] n. 候鸟；移居者；移民 adj. 移居的

migration [maɪˈgreɪʃn] n. 迁移；移民

modest[ˈmɒdɪst]

【词频】★★★☆☆

adj. 谦虚的；谦逊的；适度的

【例】adj. 谦虚的

（2015陕西）The more learned a man is, the more modest he usually is.

【译】一个人越有学问，通常就越谦虚。