Bacterioprotein
[医] 细菌蛋白
🗣️ 情景例句
What's the food like in China?
中国的食物口味怎么样？
What's the big deal?
这有什么大不了的？
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。