Arphoalin
砷磷白蛋白
🗣️ 情景例句
I see her about three times a month.
我一个月见她三次。
The postman always comes at 2 o'clock.
邮递员总是在2点钟来。
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后，于1929年第一次飞越了南极。