Pach
abbr. plane aberration-correcting holographic grating 平面像差校正全息光柵
??? 情景例句
Maybe you saw our commercials on TV.
也許你在電視上看過我們的廣告。
Geographically,this country is located in the southern hemisphere.
這個國家在地理上位于南半球。
if you think what it must be like to share the deck of a ship with several squadrons of jet aircraft,
因此，如果你能想像出同在一個甲板上是什么滋味兒的話，和幾個中隊的噴氣機。