概括
decline是一个动词,意为“下降、减少、衰退”,常用于描述数量、质量、健康等方面的变化。
用法
1. decline的基本用法是表示数量、质量、健康等方面的下降或减少。例如:
– The number of students in this school has been declining for years.(这所学校的学生人数多年来一直在下降。)
– The quality of this product is declining.(这个产品的质量正在下降。)
– His health has been declining since he retired.(他退休后健康状况一直在恶化。)
2. decline也可以表示拒绝或谢绝。例如:
– She declined his invitation to the party.(她拒绝了他邀请她去参加派对。)
– He declined the job offer because the salary was too low.(他拒绝了那份工作,因为薪水太低。)
3. decline还可以表示倾斜或下垂。例如:
– The roof of the old house is declining.(这座老房子的屋顶正在下垂。)
– The road declines sharply to the river.(这条路急剧地向河流倾斜。)
注意事项
1. decline常用于正式场合或书面语中,口语中较少使用。
2. 在表示拒绝时,常用decline而不用refuse,因为decline更礼貌、委婉。
3. decline有时也可以作名词使用,表示下降或衰退。例如:The decline in sales has been a cause for concern.(销售额的下降引起了担忧。)
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