v. nánhái 'érmenjiǎbànchénghángtiānyuán .Cf cānkàn make-believe(make1).notbe,lieveone's`ears/`eyesbeunabletobelievethatwhatonehearsorseesisrealbecauseoneissoastonished jīngyàdéwúfǎxiāngxìnsuǒjiànsuǒwénshìshìshí .,seeingis`believing(saying yàn )oneneedstoseesthbeforeonecanbelieveitexistsorhappens yǎnjiànwéishí .,wouldyoube`lieve(it)?(expressi they were astronauts.
huàhángxiàn course plotting
chàngtōnghángqū clear area
n. jiānkòngyǔhángqìdejiǎncèyíbiǎo . monitoring the spacecraft's instrumentation