Castle nut
[化] 槽顶螺母
🧩 词语组成解析
castle
['kæsl]
n. 城堡，堡垒;象棋中的车;
vt. 把…置于城堡中;（下国际象棋时）用车护（王）;
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 was very kind of you.
你真周到。
Doubt is the key of knowledge.
怀疑乃知识的钥匙。
Of course. You may find these rather expensive.
当然。不过这些衣服你可能觉得相当贵。