loon
n. 疯子(=loony)；潜鸟
近义词：addlehead，diver，addle-head，birdbrain，
英英释义
Noun
- a worthless lazy fellow
- large somewhat primitive fish-eating diving bird of the northern hemisphere having webbed feet placed far back; related to the grebes
- a person with confused ideas; incapable of serious thought
例句
用作名词(n.)
- That guy's a real loon.那个人是个真正的疯子。
- I am no more lonely than the loon in the pond that laughs so loud, or that Walden Pond itself.比起那湖中长笑的潜鸟，还有那湖，我并不比它们孤独多少。