他给人的感觉是特别偏爱穿跑步鞋。He has demonstrated a strong preference for being shod in running shoes.我跑步很不错，正在考虑参加一些比赛。I run so well I'm planning to enter some races.这么说，你是个跑步爱好者喽？So you're a runner, huh?...
Near the end of Devonian times, thirty percent of all animal life vanished.在泥盆纪末期，30％的动物物种都灭绝了。The contact relationship between Silurian and Devonian is parallel unconformity.泥盆系与志留系之间为平行不整合接触.Blooming of Bacteria and Al...