装订业主要是一种家庭手工业。Bookbinding is largely a cottage industry.象那本那么大的书是不是装订的.A book as big as that is not a manageable size.这本书尚未装订.The book is in sheets....
The Belgians took over Rwanda under a League of Nations mandate.比利时人依照国际联盟的授权接管了卢旺达。They also do illegal mining, from which Rwanda profits as well.他们也从事非法采矿, 从中,卢旺达也获利.But this cannot be seen to happen only on Rwanda...
Swamp vegetation represent the early stages of a HYDROSERE or HALOSERE.例如湖区边界、河流漫滩或者是干旱地区具有保水粘土的地段.The chloroplasts in the swamp reed were round - shaped with poorly developed grana.芦苇是一种多年生水生草本植物,其典型生境是淡水或含盐的沼泽、河边或湖边.Th...