Shipwrecks are apropos of nothing.船只失事总是来得出人意料.There are many shipwrecks in these waters.在这些海域多海难事件.He's found and explored dozens of shipwrecks in oceans around the world.他发现了并勘探了在全世界海洋中的很多遇难船只....
Tsunami is an unfamiliar kind of phenomenon to us.海啸对我们来说是个陌生的现象.May 22 , 1960, the Chilean sea tsunami waves of 25 meters.1960年5月22日, 智利海域发生海啸,浪高25米.People plan to carve a stone to memorialize the tsunami victims.海啸之后,人...
牌子是由纵向和横向的线条构成的。The board consists of vertical and horizontal lines.竖井已经打下，并且挖有横向矿道。Shafts were sunk, with tunnels dug laterally.通常1/50的横向坡度就已足够.A cross slope of one in fifty is usually enough....
The hydrogenation of diene compound and carbonyl group with yeasts was studied.对几种酵母细胞催化双烯和羰基的加氢反应作了一些初步研究.EPDM is a terpolymer elastomer made from ethylene - propylene diene monomer.epdm是一种由乙烯 - 丙烯、二烯单聚物构成的三元共聚物弹性材料.Eth...