Circular nut
[机] 环螺帽
🧩 词语组成解析
nut
[nʌt]
n. 螺母，螺帽;坚果，坚果果仁;难对付的人;[乐]弓根;
v. 采坚果;拾坚果;
🗣️ 情景例句
That's reassuring.
真令人安心。
Govern your thoughts when alone, and your tongue when in company.
一人独处慎于思，与人相处慎于言。
This would solve the problem of ventilation, for if a train entered this tunnel, it would draw in fresh air behind it.
因为如果有列火车开进隧道，它就把新鲜空气随之抽进了隧道。