creep up
US /kriːp ʌp/
UK /kriːp ʌp/

短语动词
1.
悄悄靠近, 逐渐上涨
to move slowly and quietly so as not to be noticed
示例:
•
The cat crept up on the bird.
猫悄悄地靠近了那只鸟。
•
Prices have been creeping up steadily.
物价一直在稳步上涨。
在 Lingoland 学习这个单词
悄悄靠近, 逐渐上涨
to move slowly and quietly so as not to be noticed