Quadratrix
割圆曲线
🗣️ 情景例句
You look great.
你看起来很神气。
What will you do to help protect our environment from being seriously polluted?
你将为帮助保护我们的环境免遭到污染做些什么呢？
Anthropologists wondered where the remote ancestors of the Polynesian peoples now living in the Pacific Islands came from.The sagas of these people explain that some of them came from Indonesia about 2,000 years ago.
其中一部分是约在2，000年前从印度尼西亚迁来的。