Bicircular
由两个圆周组成的, 象两个圆周的
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
I 'm going to dial the number.
我要拨这个号码。
He has often described to me how he picked up a masterpiece for a mere $50.
他多次向我详细讲他如何只花50英镑便买到一位名家的杰作。