A pall of oily black smoke drifted over the cliff-top.一团油腻的黑色烟雾飘到悬崖顶上。We hiked the Grand Canyon, exploring Indian cliff dwellings.我们去大峡谷徒步旅行，探究印第安人的崖居。A waterfall cascades down the cliff from the hills behind.一处瀑布从身后山崖上飞...
Methods: The content of salicylic acid was detected in the solution by dioptre analysis.方法: 运用折光分析法测定水杨酸醇溶液中水杨酸含量.Take the eye with radiation - proof zero dioptre to have harm to eyesight every day excuse me?请问天天带平光防辐射的眼...
Faced with upheaval , City scrapped its admissions standards altogether.面对突入起来的变化, 城市大学完全改变了他的招生标准.He's the Dean of Admissions for the University of Michigan.他是Michigan大学的新生注册主任.Plus, all of the academies have admis...