Slipstone
n. (磨半圆凿的)成型油石
🗣️ 情景例句
I would like a room on the 5th floor.
我想在五楼要一个房间。
Are you over your cold yet?
你伤风好了吗？
and another group were disturbed for an equal period of time but when they were no exhibiting eye-movements,
另一组人也是连续几夜被叫醒，但是在眼球队没活动时被叫醒的。