Destomycin
[化] 越霉素
🗣️ 情景例句
She majored in math and physics at university.
她在大学里主修数学和物理。
John has his own family now.
约翰现在有自己的家了。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。