Many department stores have both elevators and escalators.许多百货公司既有电梯又有自动扶梯.The new store has escalators to carry customers from one floor to another.这家新商店有自动扶梯将顾客从一层楼面运送到另一层楼面.Shuanglong's stair - arm belt will brin...
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...