例句 /

1974 FDA approves doxorubicin, an anti-tumor antibiotic from Streptomyces bacteria.

1974 FDA approves doxorubicin, an anti-tumor antibiotic from Streptomyces bacteria.

1974年,FDA批准一种来源于链球菌的抗肿瘤抗生素-阿霉素.