open circle

基本解释

This is indicated by an open circle with a line through it.
则…上显示一个开放圆环，一条直线贯穿其中。
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Open circle, Cerebral infarction in patient with sinus rhythm.
开环，伴窦性心律患者的脑栓塞。
Open the WeChat circle of friends, selling masks, soap, clothes, watches, shoes, jade… A friend circle is a huge commercial market.
打开微信朋友圈，卖面膜、香皂、衣服、手表、鞋子、玉石的……朋友圈成了巨大的商业市场。

open your textbook and put a circle around question number one.
打开你的课本，在第一个问题上画一个圈。
Would you please 实战 - SpeakingMax英语口语达人

The modernist structure is built of concrete and glass, with an undulating copper roof that rises to an open semi-circle at its center.
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At the end of the two-hour Mass, Francis took off his red vestments, leaving only the white cassock and skull cap, and climbed into an open-topped popemobile to circle through the enthusiastic crowd.
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