我们用螺旋钻在冰上钻洞。We make a hole in the ice with an auger.螺旋钻在一刻不停地挥舞着.Drills were set to work without intermission.'螺旋'.''钻,木螺钻一种用于在木头或冰上''.'钻孔'. ''的工具.A tool for boring holes...
While the lads are golfing, I work out in the gym.小伙子们打高尔夫球的时候，我在健身房锻炼。He was wearing a cream silk shirt and a tartan golfing cap.他身着一件米色丝绸衬衫，头戴一顶花格子高尔夫球帽。You can play tennis or go golfing.你可以打网球或高尔夫球。...
以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 proparediol acetal was synthesized by using stannous chloride as catalyst.以非质子酸氯化亚锡为催化剂,催化合成了丁醛-1,2-丙二醇缩醛.Butyraldehyde 1,2 propanediol acetal was synthesized by using st...