Slipstone
n. (磨半圆凿的)成型油石
🗣️ 情景例句
We're already scheduled elsewhere.
我们已经有其他安排了。
You are older than I am.
你比我年老。
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下钢盘混凝土平台上。