胆: 名词1.[解剖学] (胆囊) gallbladder2.(胆量) courage; guts; bravery 短语和例子放胆 act boldly and with confidence; 壮胆 boost sb.'s courage3.(装在器物内部, 可容纳水、空气等物的东西) a bladder-like inner container 短语和例子球胆 the ru
还原: 1.(恢复原状) return to the original condition or shape; restore2.[化学] (还原作用) reduction; deacidizing; deoxidation; recondition; electronation; regeneration; revivification; resetting; vatting;