drill
美[drɪl] vt.& vi.钻（孔）；打（眼）；操练；训练
vt.作…演习，操练
网络电钻；钻；水钻；钻头
1 . A plug had been inserted in the drill hole.
钻孔已塞上了塞子。
来自柯林斯例句
2 . The drill should be slowly rotated to ensure a clean hole.
钻头必须缓慢转动，以保证钻孔平整光滑。
来自柯林斯例句
3 . It took five years to drill down to bedrock.
耗时五年才钻到了基岩。
来自柯林斯例句
4 . The dentist commenced to dig, drill and finally fill the offending tooth.
牙医开始在那颗有问题的牙齿上挖洞，钻孔，直到最后把它补好。
来自柯林斯例句
5 . His hands were clasped behind him like a drill sergeant.
他双手背在身后，像一个教官。
来自柯林斯例句
1.a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows)
2.similar to the mandrill but smaller and less brightly colored
3.systematic training by multiple repetitions;
practice makes perfect
4.(military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms
1.make a hole with a pointed power or hand tool;
don't drill here, there's a gas pipe
2.train in the military, e.g., in the use of weapons
3.learn by repetition;
We drilled French verbs every day
4.teach by repetition
5.undergo military training or do military exercises
鬼狒（学名：Mandrillus leucophaeus）是猴科山魈属的一种，该属另外一种动物是山魈，过去这两种动物曾被归入狒狒属。鬼狒在外表上与山魈相似，只是面部没有后者那么颜色丰富。杂食性，以果类、昆虫及蛙、蜥蜴、鼠等为食。结群生活，每群有几个或50余个，领头的老雄猴力大且勇猛，牙齿长而尖锐，对各种敌害均具有威胁性。主要生活在非洲的喀麦隆、尼日利亚等少部分地区，属于非洲最为濒危的灵长目动物之一。