We are lucky in that only the lower fields,这句话中lucky是形容那个词的,in that做什么成分,翻译:

问题描述:

We are lucky in that only the lower fields,这句话中lucky是形容那个词的,in that做什么成分,翻译:

lucky形容we(这很明显,we主语,are系动词谓语,lucky表语
句子未完整,我未必说得对~
that特指句子上下文某样东西或者就是特指the lower fields