Fluted drill
[机] 开构钻
🧩 词语组成解析
a. 笛声的, 有凹槽的
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
Hello. This is Richard Stewart.
你好， 我是Richard Stewart。
Depend on others and you always repent.
依靠别人总要后悔。
One day a young man named Kunta Kinte went off into the forest to cut down a tree as he wanted to make a drum.
有一天，一位叫孔塔·肯特的年轻人走进森林中去砍树，因为他想做一个鼓。