lump/lʌmp/

n.

➊ a piece of a solid substance, usually with no particular shape

➋ a swelling under the skin, usually because of injury or disease

n. [C]

➊ （尤指不定形的）块：a lump of coal 一块煤

◇a lump of ice 一块冰

➋ 肿块，隆起：The little boy got a lump on his head the size of an egg. 小男孩头上有个鸡蛋大的包。

◇lumps from mosquito bites 蚊子咬的肿块

音组-ump/-ʌmp/

bump; dump; jump; lump; pump