Concavation
凹度
🗣️ 情景例句
sleep over Friday and Saturday night
星期五和星期六晚上在那儿过夜
Then I asked him if he knew anybody in New York .
然后我问他是否他在纽约认识人。
Millionaires don't buy things on instalments!
百万富翁是不会分期付款买东西的！