Syntomycin
n. 合霉素\\n[醫] 合霉素, 混旋氯霉素
??? 情景例句
Dinner's on me.
晚飯我請客。
Keep thing seven years and you will find a use for it.
備而不用。
Most business letters around the world are written in English.
世界上大多數商務信函都是用英語寫的。