秧苗发芽后，就把盘子上的盖子拿掉。When the seedlings sprout, uncover the tray.勿踏秧苗.Don't walk on the seedlings.秧苗上面覆盖着塑料薄膜.The rice seedlings were covered with plastic sheeting....
这个乐器的边和缆绳都是母牛皮的.This instrument uses cow skin for both the sides and the ropes.我们还供应来自服装企业和鞋类制革厂的母牛皮和水牛皮.We also offer cow and buffalo from garments companies and shoe leather tanneries....