Thumb nut
[机] 翼形螺帽
🧩 词语组成解析
thumb
[θʌm]
n. 拇指;（手套的）拇指部份;
vi. 翘起拇指请求搭乘（过路汽车），示意请求搭便车;翻阅;
vt. 翻阅;作搭车手势;用拇指翻脏[翻坏]（书页等）;
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
John, what are you going to do?
约翰，你要干嘛？
If it were not for hope, the heart would break.
人是靠希望活著的。
and at the most critical juncture we took turns in watching that point.
在最紧急的时刻，我们轮流监视那段河流的险情。