黑压压的一大群蜜蜂从蜂巢中飞出来。A dark cloud of bees comes swarming out of the hive.一大群人聚集在码头上，为他们送别。A large group had gathered on the quayside to see them off.尽管天色已晚，仍有一大群人聚集到了一起。A large crowd had gathered despite the lateness of the ...
Silkworm culture is practised in order to get silk.养蚕是为了得到蚕丝.Leaves after feeding silkworm cocoon silk knot, and then drilled for the moth eclosion cocoon shell.桑蚕取食桑叶后吐丝结茧, 然后钻出茧壳羽化为蛾.The Silkworm Goddess had been benef...