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- He has a new perch as president of the university. 他新任大学校长的高职。
- The stone buildings perch on a hill crest. 那些石头房子座落在山顶上。
- The bird took its perch on a tree branch. 鸟儿栖息在树枝上。
- Little birds perch themselves on the branches. 小鸟儿栖歇在树枝上。
- At six we were fallen in for drill. 六点钟我们站好队准备操练。
- The sound of that drill jangles horribly on the nerves. 那台钻机的声音响极了，十分刺耳。
- You'd better set a goal before you start the drill. 练习开始前，你最好设定一个目标。
- After a long drill he told the squad to fall out. 操练了好半天之后，他让这个班解散了。
- She had lots of drill in listening. 她在听力方面受过许多训练。
- This drill can bore through rock. 这台钻机能钻透岩石。
- The dentist's drill made a lot of noise. 牙钻发出很大的噪音。
- He watched the game from his perch on top of the wall. 他在墙头居高临下看比赛。
- What's the drill for claiming expenses? 费用报销的手续，是怎样的?
- We watched the parade from our perch on top of the roof. 我们待在高高的屋顶上观看游行。
- The birds are hopping about on their perch and twittering. 鸟儿在栖木上跳来跳去，吱吱地叫著。
- The class is chopped up into small groups for oral drill. 为进行口语训练，班级分成为几个小组。
- perch drill 高位钻孔
- From our perch up there on top of the cliff we can see the whole town. 我们从悬崖顶上的高处能看到城市的全景。
- incline perch drill 倾向高位钻孔
- The pupils filed out of the room during the fire drill. 在消防演习中，学生们排成纵队走出房间。
