您要查找的是不是：
- Argentina is a big exporter of beef products. 阿根廷是牛肉制品的一大出口国。
- The presence of hemoglobin in the urine. 血红蛋白尿尿液中出现血红蛋白
- The protein that is a constituent of hemoglobin. 球蛋白由血红蛋白构成的蛋白
- Africa is exporting beef to Europe. 非洲向欧洲出口牛肉。
- The dish of boiled beef and carrot tastes good. 那道清炖牛肉胡萝卜的菜味道不错。
- A red blood cell having no hemoglobin. 血影细胞失去血红蛋白的一种红血细胞
- He sat by the fire, devouring beef and onions. 他坐在火炉旁，狼吞虎咽地吃着牛肉和洋葱。
- She sliced the onion and put it in the beef stew. 她将洋葱切片放入炖牛肉中。
- He had a plate of beef for lunch. 他午餐吃了一盘牛肉。
- My beef is that it took too much time. 我的抱怨是太花时间了。
- Work hard, put some beef into the design. 努力吧!在这个设计上加把劲。
- The beef is roasting in the oven. 烤箱里正烤着牛肉。
- The beef is roasting nicely on the spit. 这块牛肉在烤肉叉上烤得很好。
- Would you like some beef steaks? 想要些牛排吗？
- beef hemoglobin 牛血红蛋白
- The hamburger chain say it only use premium quality beef. 汉堡包连锁店声明他们只用上等牛肉。
- Your hemoglobin should be checked. 你的血红蛋白需要检查一下。
- I'd like roast beef with swiss cheese, tomato, and lettuce. 我要烤牛肉加瑞士乳酪、蕃茄与莴苣。
- Hemoglobin is the carrying protein of oxygen. 血红蛋白是氧的运载蛋白质。
- Please wait for the result of your hemoglobin test. 请等一下你的血红蛋白化验结果.
