准头

accuracy

准的英语翻译：

allow; follow; grant; permit; standard; norm
【医】 eka-
【经】 preparation; quasi

头的英语翻译：

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