Dad needs to have a root canal operation.

爸爸需要做牙根管治疗。

youdao

Sometimes a tooth with a root canal filling will change color.

牙根管补过的牙有时会变色。

youdao

It was about as popular as a root canal. (Speaking of the bank bailout).

它就像牙根管一样普及。

youdao

"This is not a group of people who are going to get a root canal together, " Griffis said.

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Peter, a lean man with fair hair, sat stiffly near the front: he looked like somebody anticipating a root canal.

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My younger brother James, fully appreciating the momentousness of the occasion, came straight from a root canal to join us.

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