Circle and stay
圈───circle;留───stay
The more pesticides are used, the more resistant the insects become so the more pesticides have to be used. It's a vicious circle.───杀虫剂用得越多，昆虫的抗药力就变得越强，于是又要用更多的杀虫剂。这是一个恶性循环。
He has a large circle of acquaintances.───他有很多相识的熟人.
The circle has a diameter of 6 inches.───这个圆直径六英寸.
All the buildings have names and form a half circle.───所有的建筑都有名称，连在一起构成了一个半圆。
The line cuts the circle at two points.───一条直线与圆相交于两点.
Geoffrey Hampden has a large circle of friends and is very popular at parties.───杰弗里·汉普顿交际很广,在社交聚会上深受欢迎.
This discovery is highly appreciated in the circle of science.───这个发现在科学界得到很高的评价.
He has squared the circle of keeping the City happy and doing something to improve business cash flow.───他做到了不可能做到的事，既让伦敦城满意，又增加了企业的现金流量。
He has a large circle of acquaintances.
The stones form a complete circle.
God is a circle whose centre is everywhere and whose circumference is nowhere.
Draw a circle 10cm in diameter.
He used a rope to mark off the circle.