他们能使瘫痪者行走，同时给护理人员更大的力量把老弱者搬上轮椅。

They let the paralysed walk and give careworkers extra strength to carry the old and infirm to a wheelchair.

youdao

他们能使瘫痪者行走，同时给护理人员更大的力量把老弱者搬上轮椅。

They let the paralysed walk and give careworkers extra strength to carry the old and infirm to a wheelchair.

youdao