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
Only a five percent discount? How about twenty percent?
只打九五折？八折怎么样？
What happened to you memory?
你的记性是怎么搞的？
Though Mr.Thompson had turned the lights off before he went to bed, they were on in the morning.
虽然汤普森临睡觉时把灯关了，但早晨灯却都亮着。