Rideau
n. 土堆, 土阜
??? 情景例句
Thanks a lot.
多謝，多謝！
I went to see my doctor for a check-up yesterday.
我昨天為檢查去看了醫生。
and mechanical systems like a wound watch, or the sun,
像上緊發條的手表那樣的機械裝置，或太陽，