refuse [rɪˈfjuːz]

【词频】★★★★★

v.拒绝

n. 垃圾；废料

【派】refusal [rɪˈfjuːzl] n.拒绝

supply [səˈplaɪ]

【词频】★★★★★

v.供给；补充

n. 补给品；供应

【例】n.供应

（2007广东）Successful alternatives that help prevent resistance are already available, but they have been in short supply and are very expensive.

【译】有助于防止抗药性的有效的替代品已经出现，但它们供不应求且十分昂贵。

【词组】in short supply：供不应求

【派】supplier [səˈplaɪə(r)] n.供应商；供应国；供应者

supplement [ˈsʌplɪment] v.增补；补充 n.增补；补充；补充物；增刊；副刊

teenager [ˈtiːneɪdʒə(r)]

【词频】★★★★★

n.十三岁到十九岁的少年

【派】teen [tiːn] n.青少年（等于teenager) adj.十几岁的

tend [tend]

【词频】★★★★★

v.往往会；经常就；倾向于；趋向；照料；照顾

【例】v.往往会

（2014湖北）If we tend to ignore the significance of elevators, it might be because riding in them tends to be such a brief, boring, and even awkward experience.

【译】如果我们经常忽略电梯的重要性，那可能是因为乘电梯往往是一段短暂、无聊甚至尴尬的体验。

【派】tendency [ˈtendənsi] n.倾向；趋势；癖好

【例】n.趋势

（2013江苏）However, the tendency of markets to replace queues, and other non-market ways of allocating goods is so common in modern life that we scarcely notice it anymore.

【译】然而，市场取代排队的趋势以及其他分配商品的非市场方式在我们现代生活中如此常见，以至于我们几乎不再注意它。

【形】tender [ˈtendə(r)] adj.温柔的；嫩的