The body is 90% titanium for ruggedness.为了实现优良的耐用性，主体部分90％采用钛金属制造。The company produces titanium alloy.该公司生产钛合金。The reactions are conveniently studied using a solution of titanium choloride.用氯化钛溶液可以很方便地研究钛的反应....
The reasons for the project collapsing were circumstantial.工程垮掉系环境所迫。They've entered this new confederacy because the central government's been unable to control the collapsing economy.由于中央政府无力控制逐渐崩溃的经济，所以他们加入了...