boil

n.煮沸，沸腾；疔，疖子；[医]疡肿，脓肿

vt.& vi.（使）沸腾，开

vt.用开水煮，在沸水中煮

vi.怒火中烧，异常气愤

网络解释.煮开；激动；烧开；沸点

词形变化:

过去式：boiled 过去式：boiled 过去式：boiling 过去式：boils

boil down 1 . 煮浓：通过熬煮减少体积 boil over 2 . 沸腾溢出 keep the pot boiling 3 . 保持活力，保持干劲，保持兴趣 boil down to 4 . 结果是，意味着；归结为 boil something down 5 . 熬浓，煮浓

pimple bubble cook fume rage swelling seethe

freeze