这是个不容错过的奇观。It was a spectacle not to be missed.这座宮殿已被誉为世界第八大奇观.The palace has been described as the eighth wonder of the world.长城是世界奇观之一.The Great Wall is one of the wonders of the world....
How can I tell a canoe from a kayak?皮艇和划艇该怎么区分 呢 ?The kayak is propelled by kayakers in a sitting position.皮艇则是由皮艇桨手用坐姿划行的.Run, bike, swim, surf, kayak and more. Got what it takes?跑, 自行车, 游泳, 波浪, 独木舟和更多. 得到了它拿的 吗 ?...
DSC, thermogravimetry analysis ( TGA ) and circular dichroism ( CD ) were used to study the thermal and optical properties.利用差示扫描量热法(DSC) 、 热失重分析 ( TGA ) 以及圆二色谱 ( CD ) 研究了嵌段共聚物的热性能和旋光性能.The work interposes a glass plate ...