She was indefinably depressed as they walked homeward.
当他们走上归途时，她却莫名其妙地变得消沉了。
英文例句大全为您提供indefinably英文例句大全,indefinably英文造句,关于indefinably的英语句子,单词indefinably怎么造句,indefinably英文例句大全有哪些,哪些英语句子是关于indefinably,英语单词indefinably的句子,单词indefinably如何造句,indefinably怎么造句等。