Spoolwright
伐木工指引滑道时在树桩[木材]上插入的圆筒
🗣️ 情景例句
While sitting on the bus I often meet interesting people.
乘车时，我经常碰到一些有趣的人。
We don't go dancing very often.
我们不经常跳舞。
engineers may soon be free to let their imaginations soar without being penalized by expensive failures.
因此，工程技术人员可能很块就可充分发挥他们的想像力，而不会因失败而造成经济上的损失。