If you are going to do some cleaning or cooking, wearing apron is a sensible idea.如果你准备做一些家务或是做饭的话, 穿上围裙是明智的选择.There is a serious sediment deposition in the wharf apron of an alongshore pile wharf.摘要顺岸式桩基码头前沿会发生较爲严重的泥沙淤积...
Physics isn't just about pure science with no immediate applications.物理学并非只是一门不能直接运用的纯科学。On balance, the book is a friendly, down-to-earth introduction to physics.总而言之，这是一本通俗而务实的物理入门书。He was awarded the Nobel Prize ...