了无痕Sky
around、surround.
参考例句：
1. 四周的小城镇已并入这座城市。
The surrounding small towns have been absorbed into the city.
2. 她环顾四周，拼命寻找逃路。
She looked wildly around for an escape.
3. 他出于习惯环顾四周，但没人注意他。
He looked around from force of habit, but nobody paid any attention to him.
4. 她环顾四周想寻找一个熟人。
She looked around for a familiar face.
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