Leveling block
[机] 平台
🧩 词语组成解析
n. 水准测量
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
Have you changed jobs?
你换工作了吗？
It's pleasure to meet you.
幸会，幸会。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，