Castle nut
[化] 槽頂螺母
?? 詞語組成解析
castle
['k?sl]
n. 城堡，堡壘;象棋中的車;
vt. 把…置于城堡中;（下國際象棋時）用車護（王）;
nut
[n?t]
n. 螺母，螺帽;堅果，堅果果仁;難對付的人;[樂]弓根;
v. 采堅果;拾堅果;
??? 情景例句
Say good-bye to Richard.
替我向Richard說聲再見。
Don't worry, leave everything to me.
你不必擔心，一切還有我哪！
If one side fails to observe the contract,the other side is entitled to cancel it.
如果一方不履行合同協(xié)議，另一方則有權終止合同。