elongates例句
        At the onset of germination, the hypocotyl 
elongates rapidly by cell enlargement.
萌发开始时, 下胚轴依靠细胞增大而迅速伸长.
It's simple really: Hair that's longer than your face 
elongates it.
这款发型的确很简洁: 头发比脸长会使脸看上去长一些.
As spermatid nucleus 
elongates, the chromatin fibers are unwound and join together to form ribbon structure.
当精细胞核向长形转变时, 染色质纤维解旋并结合在一起形成缎带结构.