Serrations
(serration 的复数) n. 锯齿状, 锯齿边\\n[医] 锯齿形, 锯齿构造
🗣️ 情景例句
Don't park your car in a dark street.
不要把车停在黑暗的街道上。
Do you work near the university?
你在大学附近工作吗？
although what impression any other civilization would thus get from us is best left unsaid.
至于其他文明行星对我们地球会有什么印象，还是不说为好。