Commonly the dolomite crytals form a framework with evenly distributed porosity.通常白云石晶体构成格架,它有均匀分布的孔隙.Locally dolomite and anhydrite are important as cements.局部地方白云石和硬石膏也是重要的胶结物.Many carbonate masses older than Middle Pa...
There are now 400 staff at headquarters, servicing our regional and overseas work...现在总部有 400 名职员负责地区和海外事务。The machine is only servicing facilities.这部机器只是辅助设备.Servicing & Cleaning of Exhaust Kitchen Hood , Fan and Ductin...
他失业后,精神非常颓丧.He was down in the dumps after losing his job.战后许多城市到处可见颓垣残壁.After the war many cities were full of rubble.我不忍看到你如此颓丧.I can't endure to see / seeing you so discouraged....
The potato is a tuber plant.马铃薯是块茎植物.This is Bulbing, tuber formation, elongation.这就是球茎块茎的形成, 拔节.Amyloplasts are common in storage organs, e . g . the potato tuber.普遍存在于各类储藏器官中, 例如马铃薯的块茎中....