icaronycteris index造句

例句与造句

1. The oldest known ancestor to present day bats, " Icaronycteris index ", apparently did not have a calcar or spur as evidenced by fossil remains.
2. Sears et al . ( 2006 ) also studied the relative proportion of bat forelimb digits from several extant species and compared these with a fossil of " Icaronycteris index ", an early extinct species from approximately 50 million years ago.
3. It's difficult to find icaronycteris index in a sentence. 用icaronycteris index造句挺难的