His friends say he was always quick to tell a joke.他的朋友们说，以前他讲笑话总是张嘴就来。He carried on telling a joke, laughing his head off.他继续讲笑话，自己笑得前仰后合。Chinese waiters stood in a cluster, sharing a private joke.华人服务生们站在一起，讲着只有他们自己才懂的...
A bimetallic strip bends when heated.加热时,双金属长条变弯.The fracture toughness of the bimetallic interfaces is lower than those of respective counterpart metals.在扩展路径上,界面和金属交替出现,且界面的断裂韧性不如相应单一材料的断裂韧性.The bimetallic catalyst for...
Mr. Sawyer goes to work and the children go to school.索耶先生去上班,孩子们去上学.'But you are not English,'said the wood - sawyer,'though you wear English dress?'“ 可你不是英国人, ”锯木工问, “ 虽然你一身英国装. ”Tom Sawyer was in t...