germane

1. ADJ Something that is germane to a situation or idea is connected with it in an important way. 有重要关联的[正式] [oft ADJ 'to' n]

...the suppression of a number of documents which were very germane to the case. ...对几份与本案密切相关的文件的隐瞒。

Fenton was a good listener, and his questions were germane. 芬顿是个好听众，他的提问切中要害。