bookmark n. 书签
[特征]
- My sister made a beautiful bookmark by herself.
我妹妹自己做了个漂亮的书签。
[贴心叮咛]
bookmark是一个复合词:book(书)+ mark(记号),读书时用来作为标记的就是“书签”。
[备考必背] 联想记忆
和bookmark一样结构的单词,在中学阶段还要记住下面两个:
bookshelf n. 书架 bookshop n. 书店
border n. ①边界,国界 ②与……接壤,交界
[特征]
- The citizens are not allowed to cross the border without permission.
市民不经批准不允许出境。
- She wears a blue dress with a white border.
她穿了一件镶有白边的蓝衣服。
- Canada borders the United States.
加拿大与美国毗邻。
[贴心叮咛]
border作“边界”讲时,主要指的是国与国之间的“边界”,作动词时的意思同样指“(国与国)相接壤”。
botany n. 植物学
[特征]
- He is an expert in botany.
他是个植物学方面的专家。
[备考必背] 派生词
botanist n. 植物学家 botanical adj. 植物(学)的 a botanical garden 植物园
bottom n. ①底,底部 ②尽头,末端
[特征]
bottom既可指容器的底部,也可指事物的尽头,它的反义词是top。
- There is some sand in the bottom of the tank.
这水池底部有些沙子。
- There stands a big tree at the bottom of the garden.
花园的尽头有棵大树。
[备考必背] 重要词组
from top to bottom 从头到尾 all the bottom of the sea 在海底
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