按键开关，键形开关...

Press [ h ] keyswitch between High Quality ( slower ) viewing and Normal viewing.按 [ h ] 键,替换高质量影像或普通质量影像....

keyswitch的音标：keyswitch的英式发音音标为：[ki:s'wɪtʃ]keyswitch的美式发音音标为：[kis'wɪtʃ]...