单词	pat on the head,
释义	英華字典資料庫同義詞☞so then
随便看	beta decay theory beta-decay (β-decay) beta-decay--β-decay beta-decay，β-decay beta decontamination beta--decontamination beta-decontamination beta-decontamination factor beta determination beta disintegration beta--disintegration beta-disintegration beta disintegration energy beta-disintegration energy beta-disintegration--energy beta distribution beta distribution -- β-distribution beta distribution ; β-distribution beta diversity beta-diversity beta dosimetry bet adsorption isotherm bet adsorption method beta-duftite beta dust and gas monitor