骑田岭花岗岩是燕山早期深源浅成的高钾钙碱性复式花岗岩岩体.Qitianling granite is a post - collisional , deep - sourced and hypabyssal, early Yanshanian high - K calc - alkaline granite complex pluton....
珊瑚是由某些水螅体构成的.Coral is formed by certain types of polyp.水螅虫类生命循环中的无性生殖水螅虫.The asexual polyp in the life cycle of a hydrozoan.在南极边的威德尔海,一只水螅水母伸展它的冷光触须.A hydromedusa spreads its luminescent tentacles in the Weddell Sea near...
Twelve men all equipped, having each his rest and his matchlock.十二个人,全副装备, 每人都配了枪架和火绳枪.While underneath, in a corner, were fowling piece, musket, and matchlock.下面, 角落里, 堆着鸟枪, 步枪, 和火绳枪.Flintlock: Ignition system for firea...