【機】 single-ended wrench

單的英語翻譯：

odd; single
【醫(yī)】 azygos; mon-; mono-; uni-

頭的英語翻譯：

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-

扳手的英語翻譯：

detent; lever; spanner; wrench
【化】 spanner; wrench