n.胚轴,子叶下轴;
例句:
When hypocotyl emerges out of the seed coat for 1-2 mm.
当下胚轴穿出种皮约1—2毫米时,生毛细胞的外壁向外突出,形成下胚轴毛.
As the development of the hypocotyl continues, the characteristic crook in the upper portion becomes apparent.
由于下胚轴继续发音, 上部特有的弯曲变得明显.
The transformation frequency of flax hypocotyl was about 2 %.
表明它们是转化植株,转化频率约为2%.