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?...
Life on Earth will become unsustainable unless population growth is held in check.人口增长要是不加控制的话，地球上的生命将无法持续发展。The story in Estonia and Lithuania is similar — and looks equally unsustainable.爱沙尼亚和立陶宛情形也与之相似,都不能持续下去.No one ...
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...