slipping

/ˈslɪpɪŋ/ 0高考四级六级考研雅思托福gmat
If something slips to a lower level or standard, it falls to that level or standard. 使下降; 下降

noun [具体名词]滑动

He felt himself slipping and clutched at a branch. 他感到自己滑了一下,便一把抓住一根树枝。

adjective [原级]渐渐松弛的

The ridges on the soles of my boots stopped me from slipping. 我靴子底上有隆起的纹路,使我没有滑倒。

verb [vt. 及物动词]滑动(slip 的现在分词)

The school's liberal, individualistic traditions were in danger of slipping into anarchy. 这所学校的自由主义和个人主义的传统有滑入无政府状态的危险。

slipping 出现在下面的课文中
Lesson 23 Bird flight
单词造句: