18 Within the last year, have you had a fecal occult blood test (FOBT) or a fecal immunochemical test (FIT)?是什么意思_18 Within the last year, have you had a fecal occult blood test (FOBT) or a fecal immunochemical test (FIT)?在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句