pref.表示“在…之下；亚；次；次于 英英释义： hypo-[ 'haipəu, 'hi- ]n.a compound used as a fixing agent in photographic developing同义词：hyposodium thiosulphatesodium thiosulfatea piston syringe that is fitted with a hypodermic needle for giving injections同义词：hypodermic syringe