Combined drill
[建] 双用钻头
🧩 词语组成解析
combined
[[kəm'baind]]
a. 结合的；组合的
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
It'll all be over in two hours.
再两个小时就结束了。
Politeness costs nothing and gains everything.
礼貌不费分文而可赢得一切。
Their feet were fixed to one bar and their hands to another bar.
他们的脚拴在一根铁杠上，他们的手拴在另外一根铁杆上。