Bluestones
(bluestone 的复数) n. 硫酸铜, 胆矾\\n[化] 胆矾; 蓝灰砂岩
🗣️ 情景例句
What is this charge here?
这是什么费用？
Business is the salt of life.
事业事人生之盐。
My employer will confirm that I was there on time.'
”