Sliding block
[机] 滑块
🧩 词语组成解析
a. 滑行的, 变化的\\n[机] 滑动
block
[blɑk]
n. 块;街区;<英>大楼，大厦;障碍物，阻碍;
vt. 阻止;阻塞;限制;
🗣️ 情景例句
For a year or two
在一两年内
I know the boy whose father is an architect.
我知道那个男孩的父亲是建筑师。
It can take as long as eight days to rig up rope ladders and to establish supply bases before a descent can be made into a very deep cave.
有时需要花费整整8天时间来搭起绳梯，建立供应基地，然后才能到一个很深的洞穴里。