overcoat [ over-=over 在…之上；coat n. 上衣→]n. a coat worn over the regular clothing in cold weather 大衣 / It's cold outside，you'd better put on your overcoat. 外面很冷，你最好穿上大衣。

overman [ over- = above 在…之上；man n. 工人=>“a man above others在其他人之上的工人”→] n. foreman or overseer 工頭, 監(jiān)工 / This sparking has been observed by workmen and overmen. 這冒火花現(xiàn)象工人和工頭都看到了。

overfreight [over- = too much 過(guò)多；freight n. 運(yùn)輸?shù)呢浳铩鷀 n. too much freight on board 超載 / Overfreight is prohibited. 超載是不允許的。

overpopulation [ over- = to much 過(guò)多;population n. 人口→] n. too great a population 人口過(guò)剩 / Overpopulation affects many other needs of mankind besides food. 除了食物之外，人口過(guò)剩還影響到人類的許多其他需求。

最后介紹over-跟動(dòng)詞綴合的幾個(gè)實(shí)例。

overflow [ over- = over 高于;flow v. 流→]v. flow over the bounds 溢出；泛濫 / Rivers often overflow in spring.春天河水 經(jīng)常泛濫。 

overflowing a. 溢出的；過(guò)剩的

overfly [ over- = over 在…上方;fly v. 飛行→]v. fly over (the territory of a country)飛行在（某國(guó)的）上空 / The U-2 has been overflying Russia. U-2偵察飛機(jī)一直在俄羅斯上空飛行。

overdo [ over- = too much 過(guò)多；do 做→]v. do too much or attempt to do too much 把…做得過(guò)頭/ Show some politeness to him, but don't overdo it. 對(duì)他應(yīng)有禮貌，但不要做得過(guò)分。

overestimate [ over- = too much 過(guò)分；estimate v. 估計(jì)→ ] v. estimate at too high a value 過(guò)高估計(jì) / Men often overestimated their capacity for evil.人們往往過(guò)高估計(jì)自己對(duì)付邪惡的能力。

overestimation n. 過(guò)高估計(jì)

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