Bluestones
(bluestone 的复数) n. 硫酸铜, 胆矾\\n[化] 胆矾; 蓝灰砂岩
🗣️ 情景例句
Take me back.
载我回去。
Circumstances are therulers of the weak, instrument of the wise.
弱者困于环境，智者利用环境。
The damage was caused by external forces.
损害是由外力引起的。