Precipitates are usually collected by centrifugation at intervals.常常是用离心法分段收集沉淀的.Try to get into the habit of eating at least three small meals a day, at equally spaced intervals.尽量养成每天至少吃3顿小餐的习惯，而且每餐的间隔要相同。She began to ...
George struggled wildly, going under and resurfacing at regular intervals.乔治疯狂地挣扎，不断在水面上浮浮沉沉。Make a point of backing up your files at regular intervals.一定要定期备份文件。The cartridge must be replaced at regular intervals.弹药必须定时...
The coffins stood in the baking heat surrounded by mourners.棺材放在炽热的太阳下，周围是哀悼的人们。About 150 local people looked on in silence as the two coffins were taken into the church.两具棺材被抬进教堂时，约有150名当地人在一旁默默观看。The shop was close and...
the first Apollo moon landing阿波罗航天飞船首次登月着陆Apollo was the Greek god of the arts, prophecy, medicine and light.阿波罗是希腊神话中主管艺术 、 预言 、 医药和光明之神.Daphne was pursued by Apollo and was at last changed into a laurel tree.达夫尼被阿波罗穷追不...
管理主任放下电话,厌烦地扮了个鬼脸, 然后,神态缓和了许多.As the administrator put down the phone he grimaced wearily, then his manner softened.厌烦地 埋怨 著)什麽(地球上)的东西竟会干这种事?Should be " What the HECK on earth will do this thing? "她非常厌烦地谈到了他.She spoke o...
When you see the bibcock, isn't enough in drops off?当你看到龙头在滴时, 是不是够关上 呢 ?Bibcock coping has private aircraft parking area even.龙头顶部甚至有私人停机坪.Advance pasturage industrialization process energetically, the radiate that...