赤眼chì yǎn

red eyes; acute conjunctivitis

• ohmmeter
• ohm's law
• ohm，georg simon
• oil
• oil beetle
• oilbird
• oil-drop experiment
• oil-immersion lens
• oil painting
• oil palm
• oils
• oilseed
• oily
• ointment
• oise
• oistrakh，david
• oita
• ojibwa(或chippewa)
• ojos del salado
• o.k.
• oka
• okapi
• okavango swamp
• okayama
• okeechobee