Oval countersunk rivet
[机] 扁圆顶埋头铆钉
🧩 词语组成解析
oval
['əuvəl]
adj. 椭圆形的;卵形的;
n. 椭圆形;椭圆运动场（等）;椭圆，美式足球用球;[物]卵形线;
[化] 埋头孔
rivet
['rɪvɪt]
n. 铆钉;
vt. 铆接;把…固定住;加深（爱情，友谊等）;使心醉;
🗣️ 情景例句
What's so special about him?
他有什么特别的呢？
Great talkers are little doers.
人好说大话，并非实干家。
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。