1.observationhole  2.observationport  

看的英語(yǔ)翻譯：

see; look; watch; call on; eye; keep under surveillance; read; regard; treat
view
【電】 junction point; Mcm; pam/fm/fm; panning; Par; parasitis; passive comsat
pedal keyboard; penning discharge gage
percent of syllabic articulation; phasmajector

火的英語(yǔ)翻譯：

ammunition; anger; fire; urgent
【醫(yī)】 fire; ignis; pyro-

孔的英語(yǔ)翻譯：

aperture; bore; foramen; hole; os; ostium; vulva
【化】 hole; opening
【醫(yī)】 apertura; aperturae; aperture; bore; coel-; foramen; foramina; hiatus
mesh; opening; pore; Pori; porosity; porus; trema