During the training stage, each dog was shown only the upper half or the lowerhalf of the person's face.
在训练阶段,每只狗只看到人脸的上半部分或下半部分。
2
This, for those as yet unaware of such a disadvantage, refers to discrimination against those whose surnames begin with a letter in the lowerhalf of the alphabet.
对于那些还没有意识到这种不利条件的人来说,这指的是对那些姓氏以字母表下半部分的字母开头的人的歧视。
3
She was born without the lowerhalf of her legs and has worn prosthetic ones all her life.