Concaved
v. 凹的( concave的过去式和过去分词 ); 凹地; 凹面, 成凹形
🗣️ 情景例句
Well, well. Thank you, Molly.
还好， 还好。谢谢， Molly。
This is a revolutionary new product.
这是一种革命性的新产品。
The twin towers are 110 storeys high, but high-speed lifts controlled by computer take only a minute to reach the top.
这座双塔式大楼有110层高，而由电脑控制的高速电梯只需一分钟就可以到达塔顶。