This provides useful information on the type of occurrences.所有资料提供有关矿床类型的有价值材料.The latter studies are extremely useful to the analyst.后者的这些研究对于分析工作者极为有用.Combinatorial Theory is exceptionally useful in the real world.组合论在...
In business a poker face can be very useful.生意场上，不动声色会非常有用。"For heaven's sake!" Dot expostulated. "They're cheap and they're useful."“拜托！”多特反驳道，“它们又便宜又管用。”HDTV is especially useful if there are a lot of sp...
我们转向东南方向，朝费拉约港前进。We turned south-east, making for Portoferraio.这条河朝着东南流向海湾.The river flows southeastward to the gulf.奥地利位于德国东南.Austria lies to the southeast of Germany....