The corals familiar to most of us are colonies of small polyps that build calcium carbonate branches.
我们所熟知的珊瑚都是由群集的微小水螅分泌的分枝状碳酸钙外骨骼。
Canada's Thanksgiving origins are contested, but the US traces the holiday back to 1621, when America's Plymouth colonies shared a three-day autumn harvest feast with the Wampanoag Indians.
加拿大感恩节的来历还存在争议，不过美国感恩节起源于1621年美国普利茅斯殖民者与当地万帕诺亚格印第安人共同享受了为期三天的收获节大餐。
Part 3 introduces us to the flying island of Laputa and some of its colonies nearby.
第三部分介绍我们去飞岛拉普他岛和它的一些殖民地附近。
应用推荐