Practice Problems Here are some problems to get you started. You should first try each on a piece of paper. Then, place your cursor over the graphic and click on right arrow that appears to see the answer. The right and left arrows allow you to move back and forth between problems. Ple...
2) theory [英]['θɪəri] [美]['θɪrɪ] 理论 1. Research prosress in technique and theory of spray forming technology; 喷射成形工艺与理论研究进展 2. Analysis on the Theory and Practice of Biodiversity; 浅析生物多样性的理论与实践 更多例句>> 3) theories [英]['θi:əri...