Many fungi can reproduce asexually.许多真菌可以无性繁殖。In asexually propagated species, variability resulting from recombination may be severely limited, or even precluded.在无性繁殖物种中, 重组产生的变异可能受到严重限制, 甚至受到阻止.The swelling produced b...
这些女裁缝围着模特儿衣架叽叽嘎嘎地讨论衣服这里或那里要做的小改动。The seamstresses cluck around a dummy, discussing a tuck here and there.他从衣架上取下他的大衣.He disentangled his overcoat from the coat - hanger.到衣架上取外套.He went over and took his jacket from the c...
Ninety per cent of lone parent families are headed by mothers.90%的单亲家庭由母亲持家。Ninety-nine per cent of primary pupils now have hands-on experience of computers.现在,99%的小学生都亲手操作过电脑。Secret investigations have netted ninety sta...