fossil stem造句

例句与造句

1. Putative fossil stem group representatives ( e . g.
2. Putative fossil stem group representatives of Amphiesmenoptera ( the clade comprising Trichoptera and Lepidoptera ) are known from the Triassic.
3. ""'Dracochela deprehendor " "'is a fossil stem group species of pseudoscorpion, though lacking a spinneret on the chelicera.
4. It's difficult to find fossil stem in a sentence. 用fossil stem造句挺难的