这些虫子用肉眼看不见。The worms cannot be seen by the naked eye.厕所里爬满了虫子。The toilet was full to the brim with insects.他在花园里被虫子咬了一口.He was bitten by an insect in the garden....
他做了个切除囊肿的小手术。He had a minor operation to remove a cyst.在非常严重的情况下，拇趾囊肿可能需要通过外科手术切除掉。In very severe cases, bunions may be surgically removed.他到足病医生那里去治他的拇囊肿。He goes to the podiatrist to have his bunions treated....