Fluted drill
[机] 开构钻
🧩 词语组成解析
a. 笛声的, 有凹槽的
drill
[drɪl]
n. 操练;钻头;军事训练;（应对紧急情况的）演习;
vt.& vi. 钻（孔）;打（眼）;操练;训练;
vt. 作…演习，操练;
🗣️ 情景例句
Her efforts were rewarded by good results.
她的努力获得了良好的结果。
He has lived here for a year.
他在这儿住了一年。[持续到现在的行为]
Already, orientals and Asian Americans constitute the majority of the engineering staffs at many Valley firms.
硅谷许多公司中工程技术人员的大多数是东方人和亚裔美国人。