Bluestones
(bluestone 的复数) n. 硫酸铜, 胆矾\\n[化] 胆矾; 蓝灰砂岩
🗣️ 情景例句
Come in, come in. Please, come in.
请进， 请进。请进来。
Judy is so reserved that it is hard to understand her.
朱迪非常内向而木讷，因而很难使人了解她。
What is more, they will not have to rely solely on the written word.
而且，也不必完全依赖文字材料。