Leukocytolysin
[机] 白血球溶素
🗣️ 情景例句
You're much thinner since the last time I saw you.
你比我上次见你的时候瘦多了。
Fine,thanks.
很好，谢谢。
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。