知识扩展
易混词辨析
nest、perch、roost
1. roost:① 名词 “栖息处;鸡窝(指鸟类夜间栖息的地方)”(如 a bird’s roost 鸟的栖息处;a chicken roost 鸡窝);② 动词 “栖息;过夜(指鸟类夜间停留)”(如 Birds roost in trees 鸟在树上栖息;roost for the night 过夜);
2. 与 nest(名词 “鸟巢;窝(指鸟类产卵、育雏的地方)”/ 动词 “筑巢”,如 a bird’s nest 鸟巢;nest in a tree 在树上筑巢)区别:roost 是 “鸟类夜间休息的地方”,nest 是 “鸟类产卵、育雏的地方”(鸟白天在 nest 附近活动,晚上在 roost 休息);
3. 与 perch(动词 “栖息(指鸟类停在树枝等高处)”/ 名词 “栖木”,如 perch on a branch 停在树枝上;a bird’s perch 鸟栖木)区别:perch 是 “短暂停留”,roost 是 “夜间长期栖息”。
习语积累
习语 n. rule the roost (informal) 当头头;充当首领;主宰 to be the most powerful member of a group v. sth comes home to roost also (the chickens come home to roost) 自食恶果;报应到自己身上 used to say that if sb says or does sth bad or wrong, it will affect them badly in the future