Mesolithic
n. 中石器时代(旧石器时代与新石器时代之间的时代)
🗣️ 情景例句
Likewise, Mr. Riley.
我们也一样 ，Riley先生。
It's nothing.
小事情。
It's really nice of you. Thank you very much. said the man.
“你们真好。非常感谢你们”，那人说。