anthracene

n. 蒽\\n[化] 蒽

dihydride

二氫化物

That's fine. I'll await his return call.

很好。我會等他的來電。

To skydive

漫游太空

The mammoth has now been restored in the Palaeontological Museum in Leningrad. Other animals were trapped in tar pits, like the elephants, sabre-toothed cats, and numerous other creatures that are found at Rancho la Brea,which is now just a suburb of Los

這頭長毛象已被修復，現存于圣彼得堡古生物學博物館。有的動物掉進天然瀝清坑里被保存下來，如在蘭橋。拉。布里 -- 現在是洛杉磯的郊區發現的大象、劍齒虎和許多其他動物。