over-

over-
over- /əʊvə $ oʊvər/ prefix
1. too much:
    overpopulation
    overcooked vegetables
    overweight
2. above; beyond; across:
    overhanging branches
    overhead telephone wires
    the overland route (=not by sea or air)
3. outer:
    an overcoat
4. additional:
    We were working overtime (=working beyond the usual time).

over-BrE /ˈəʊvə(r)/ 🔊NAmE /ˈoʊvər/ 🔊 prefix (in nouns, verbs, adjectives and adverbs 构成名词、动词、形容词和副词) more than usual; too much 太；过于◆overproduction生产过剩◆overload使超载◆over-optimistic过分乐观的◆overconfident过分自信的◆overanxious过于急切completely 完全地◆overjoyed十分高兴upper; outer; extra 上面；外面；额外◆overcoat长大衣◆overtime加班over; above 上方；上空◆overcast阴云密布◆overhang悬挂

• Above and over can both be used to describe a position higher than something. * above 和 over 均可表示位置高于…或在…上：◆They built a new room above/over the garage. 他们在车库上面加建了一个房间。 When you are talking about movement from one side of something to the other, you can only use over. 表示从某物的一边移至另一边只能用 over：◆They jumped over the stream. 他们跳过了小溪。 Over can also mean 'covering'. * over 亦可表示覆盖着：◆He put a blanket over the sleeping child. 他把毯子盖在睡着了的孩子身上。
• Above and over can also mean 'more than'. Above is used in relation to a minimum level or a fixed point. * above 和 over 亦可表示多于。above 与最低限度或某固定值关联：◆2 000 feet above sea level 海拔 2 000 英尺◆Temperatures will not rise above zero tonight. 今天夜间的温度不会高于零度。 Over is used with numbers, ages, money and time. * over 与数目、年龄、金钱和时间连用：◆He's over 50. 他已年过半百。◆It costs over £100. 这个花了 100 多英镑。◆We waited over 2 hours. 我们等了两个多小时。