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
According to the newspaper, Sally has quit her job.
报上说莎里辞职不干了。
No,I don't .
不，我没有。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
长期以来，海员中流传着一种迷信的说法，认为海豚会把快要淹死的人托到水面，救人性命；或在人们周围列队保护，使他们免遭鲨鱼伤害。