当他们走近时，每扇门外都有一名卫兵肃身立正。Outside each door a guard sprang to attention as they approached.全副武装的士兵们立正站着。Soldiers in full combat gear stood at attention.中士立正敬礼。The sergeant stood to attention and saluted....
光通过棱镜时产生折射。Light is refracted when passed through a prism.一束光通过棱镜就会形成光谱。A spectrum is formed by a ray of light passing through a prism.棱镜把光分解成虹的各种色彩.The prism broke the light into all the colors of the rainbow....
The audience are strangely subdued, clapping politely after each song.观众们出奇地安静，只是在每首歌结束后报以礼貌性的掌声。The Arthasastra reads strangely like Machiavelli's Prince , which was written about 1,800 years later.这本书的内容和约1800年后的马...