HB CD BBC AD BC
HB abbr. è¡çº¢èç½(=hemoglobin)
HB abbr. [å]åèå£èº«ç®¡(=Heavy Barrel)
CD [ˌsi:'di:] abbr. æ¿å
å±ç(=compact disc)
BBC abbr. è±å½å¹¿æå
¬å¸(=British Broadcasting Corporation)
ad [æd] abbr.广å (=advertisement)
abbr.å
Œ
(=Anno Domini)
BC ['bi:'si:] abbr. å
Œ
å(=Before Christ)=B.C.
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