这样的幼苗具有伸长的下胚轴或上胚轴的特征.Such seedlings are characterized by having elongated hypocotyls or epicotyls.萌发开始时, 下胚轴依靠细胞增大而迅速伸长.At the onset of germination, the hypocotyl elongates rapidly by cell enlargement.有人发现,钙能抑制黄瓜胚轴的伸长.It...
关闭文件时要同时按键盘上的CTRL键和W键。To close your document, press CTRL+W on your keyboard.对我的要求是熟悉键盘。I was expected to familiarise myself with the keyboard.在小键盘上输入你的信用卡号。Punch your credit card number into the keypad....