Bow drill
[机] 弓钻, 棒钻
🧩 词语组成解析
bow
[bəu]
n. 弓;鞠躬;船头;艏;
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
But I'm sure he has a few bags with him on the train.
不过我相信他在火车上还有几件行李的。
Mike found it difficult to adjust at first, but he's used to studying at Harvard now.
刚开始迈克发现很难适应在哈佛的学习，但现在他已经习惯了。
rising at one-foot intervals all the way to the top of the atmosphere.
并按1英尺的间隔从地面一直排列到大气层的顶端。