square-drill

基本解释

I hit him fair and square on the jaw.
我不偏不倚打中他的下巴。
Because the environment was complicated,the initiation plan of square drilling and side initiation were employed to check whether the blasting vibration and fly rocks were safe or not.
由于周围环境比较复杂,确定采用正方形布孔,对角式斜向起爆的爆破方案,并对爆破震动和飞石进行了安全校核。
The soldiers were at drill in the barrack square.
兵士们在营房的操场上操练。
British military slang) drill on a barracks square.
（英国军事俚语）在广场上的训练。
The crowds in the square were elated by the news.
这消息使广场上的人群欢欣鼓舞。