有关恒星如何从呈弥漫状态的星云凝缩而来,天文学家们争论了很多年.One camp maintains that turbulence within the clouds plays a dominant role.云是由水蒸汽凝缩而成的.A cloud is a condensation of water vapour.染色质甲基化后会出现凝缩.Methylation of chromatin causes it to condense...
这种情形,差不多是平常的日课,直要到叶落秋深的时候.This is a daily occurrence right into late autumn when the leaves start to fall.他们也都健康,准时吟诵《圣教日课》, 然后就酿酒.Healthy too chanting, regular hours, then brew liqueurs.这些日课,只要你常拿来重温, 将有利于你,并丰富你的书本.Thes...
Goods may be sent by surface mail or airmail.货物可通过平寄或空运发送。Affix the blue airmail label and leave the rest to us.贴上蓝色的空邮标签，其余的事情交给我们。Write "By Airmail" in the top left hand corner.在左上角写上“航空邮递”....
All their beds were distinctive; Mac'swas an iron affair with brass knobs.他们的床都各具特色；马克的床是张带球形黄铜柱头的铁家伙。Tell Mac to siphon petrol out of his wagon.让马克把他车里的汽油抽出来。Take a mac to keep the rain off.带件雨衣挡雨....
It will stop in a minute —it's only spitting.雨很快就会停的——这只不过是毛毛雨。In a minute he'll be hollering at me for coming in late.不消一会儿他就会因为我迟到对我大喊大叫。Bye Mum, see you in a minute.妈妈，一会儿见。...