Thumb nut
[機] 翼形螺帽
?? 詞語組成解析
thumb
[θ?m]
n. 拇指;（手套的）拇指部份;
vi. 翹起拇指請求搭乘（過路汽車），示意請求搭便車;翻閱;
vt. 翻閱;作搭車手勢;用拇指翻臟[翻壞]（書頁等）;
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
Come on! You'll hear about it.
來吧， 來聽聽。
A heavy purse makes a light heart.
腰包錢財足，心境自然寬。
His cake is four times as big as mine.
他的蛋糕是我的四倍大。