在多西特海岸的岩石上,就可以看到数以千计的菊石.Thousands of these can be seen in the rocks on Dorset Coast.随着小菊石的生长,它会长出新的腔,然后将原来的腔封闭起来.As the young grew larger it grew a new chamber and sealed off the previous one....
摘要青海软玉矿床产于中酸性侵入岩与大理岩接触带中.Nephrite deposits in Qinghai Province have occurred in contact belt between intermediate - acidic intrusive rocks and dolomite - marble....
Blowing your nose too hard can cause earache.擤鼻涕太用力会造成耳痛。He complained of an earache...他主诉有耳痛。The disease can also cause a build up of pressure in the inner ear leading to severe earache.该疾病还会引起内耳的压力增加，从而导致剧烈的耳痛。He compl...
Separate designed hopper and granulating chamber can be dismantled easily for cleaning.分离设计,落料斗,粉碎室过滤网,便于拆洗.This apparent contradiction is due to the dominance of some sows in defending the feed hopper.明显的矛盾是由于有些母猪仍霸占着饲料...