Bluestones
(bluestone 的复数) n. 硫酸铜, 胆矾\\n[化] 胆矾; 蓝灰砂岩
🗣️ 情景例句
Thank you. Good-bye. Bye, Gerald.
谢谢。再见。Gerald 再见。
Our views are not so far apart,after all.
我们的看法不是相差悬殊,不管怎么说。
The operation, which lasted for over four hours, proved to be very difficult because of the hard resin which covered the skin.
手术持续了4个多小时，非常难做，因为皮肤上覆盖着一层硬硬的树脂。