Panspermatism
[医] 病原普遍存在说, 生原说, 生物发生说
🗣️ 情景例句
I'm so excited!
我好兴奋！
How many cans are you going to take?
你要拿几罐？
Which do you prefer, horse riding or shooting?
你比较喜欢哪一种呢，骑马还是射击？