Three-grooved drill
[机] 三槽钻头
🧩 词语组成解析
three
[θri]
num. 三;三个;第三（章，页等）;
n. 三岁;三个人[东西];三，三个;
adj. 三的;三个的;
a. 带纹道的；表面有沟槽的
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
You will never guess.
你绝对猜不到。
I wonder why they're angry.
伙计，他们为什么生气？
Since that time, various types of hovercraft have appeared and taken up regular service.
从那以后，各种各样的气垫船出现了，并开始了定期航行服务。