熱心網(wǎng)友
in,on ,at三詞都可表示時(shí)間,空間,并常構(gòu)成一些固定搭配。表時(shí)間時(shí):in 指在某個(gè)期限內(nèi),從現(xiàn)在算起:in a week, in an hour, in a year/month,。。。常用將來(lái)時(shí);或 一日的早午\晚 周季,年世紀(jì)等: in the morning/afternoon/evening/a week/year/summer。。。I'll come to see you in a week。(過(guò)一周我來(lái)看你)The job can be finshed in an hour。at指某個(gè) 具體時(shí)間點(diǎn),時(shí)刻,at ten/ five o'clock。。。on 指日,天,周日或特定的某一天:on September ,1st, On Monday, on the morning of a cold winter/of last Tuesday。。。如果時(shí)間前有next,thin/that/last /every等,常不用介詞。表空間:at指具體某一點(diǎn),目標(biāo)、方面、價(jià)格、速度等,on 指在。。。。。。 上/表面接觸,和above 不同,接近、靠近,關(guān)于。。。。。。in 在指內(nèi)‘范圍里邊,內(nèi)部,有的是習(xí)慣表達(dá)要?dú)w納記憶:in the bowl,(on the plate),in the street,(on the street),(bird) in the tree, but leaves on the tree, news in the news paper, put sth。 on the news paper,hit sb in the face, but on the nose,arrive at(a small place )in (big place)at noon /night, at once,in the daytime, on time, in time 。。。。。。。
熱心網(wǎng)友
in表示在事物的里面.on 通常表示在事物的里面,但是你可以看見(jiàn)."a bird on the tree"at強(qiáng)調(diào)事物的里面的意思不是很強(qiáng).祝你順利!