I don't think her tree goes all the way to the top branch.

她脑袋发育不完全。

The infection has been linked to thousands of babies being born with underdeveloped brains.

疫情导致数千名婴儿出生时大脑发育不完全。

Most of the moon plants ended up stunted – meaning small or not fully developed.

大多数月球物最终都发育不良，这意味着它们很小或发育不完全。

Nothing is so pleasant to the unformed or partially developed mind as the exercise of power or dominion over others.

对那些尚未定型，或者说发育不完全言，再也没有比拥有控制他人权利更具诱惑力、更让人难以抗拒事情了。

Marsupials are mammals that give birth to less developed young that are carried and fed in a pouch on the mother's body.

有袋动物是一种哺乳动物，产下发育不完全幼仔，由母亲身体育儿袋携带和喂养。

The chambers on the left side are underdeveloped. In addition, the mitral valve, which connects these two chambers, is abnormally narrow.

左心室发育得不完全。且二尖瓣连接着左右心室也狭窄得很严重。

In regard to the sterility of hybrids, in which the sexual elements are imperfectly developed, the case is somewhat different.

关于性要素发育不完全杂种不育性， 情况有些不同。