1、decline a proposal〔invitation〕 谢绝建议〔邀请〕
2、decline an appointment〔the challenge〕 不愿接受委任〔挑战〕
3、decline westward 向西下沉
4、decline drastically 急剧下降

5、decline gradually 渐渐下落
6、decline notably〔steadily〕 显著〔略有〕下降
8、decline with 婉言谢绝
1、decline a proposal〔invitation〕 谢绝建议〔邀请〕
2、decline an appointment〔the challenge〕 不愿接受委任〔挑战〕
3、decline westward 向西下沉
4、decline drastically 急剧下降

5、decline gradually 渐渐下落
6、decline notably〔steadily〕 显著〔略有〕下降
8、decline with 婉言谢绝