1.countersunk  

埋的英語(yǔ)翻譯：

burying; cover up; inter

頭的英語(yǔ)翻譯：

beginning or end; cobbra; conk; crumpet; end; first; garret; hair; head
leading; nob; noddle; pate; sconce; side; top; twopenny
【醫(yī)】 capita; caput; cephal-; cephalo-; head; kephal-; kephalo-

孔的英語(yǔ)翻譯：

aperture; bore; foramen; hole; os; ostium; vulva
【化】 hole; opening
【醫(yī)】 apertura; aperturae; aperture; bore; coel-; foramen; foramina; hiatus
mesh; opening; pore; Pori; porosity; porus; trema