我环顾四周，想找个人借根烟，可是，尽管大街上的人熙熙攘攘，却没一个人吸烟。

But, while there were plenty of people on the street, no one was smoking.

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它的根从不停止生长，不断地向四周延伸。

Its roots never stop growing and will spread without end.

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四周是那样的安静，掉根针都能听的见。

It's so quiet you could hear a pin drop.

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四周是那样的安静，掉根针都能听的见。

It was so quiet, you could have heard a pin drop.

youdao

根管治疗是目前牙髓病和根尖周病最有效的治疗方法。

Root canal therapy is currently the most effective treatment for pulpal and periapical diseases.

youdao

根管治疗是目前牙髓病和根尖周病最有效的治疗方法。

Root canal therapy is currently the most effective treatment for pulpal and periapical diseases.

youdao