Levomycin
左菌素; 左霉素
🗣️ 情景例句
David Ogvy is the first genius of modern advertising.
大卫.奥格维是现代广告的第一天才。
He is playing on the slide over there.
他正在那边溜滑梯。
An old woman is standing at the side of the road.
一位老大娘站在靠近红绿灯的路边。