Holddown nut
[化] 压紧螺母
🧩 词语组成解析
n. 缩减
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
and they always will be.
将来也永远会如此。
That's a pity.
那真可惜。
Right from the start there was trouble with the Hubble.
从最开始哈勃望远镜就有问题。