Pollenin
[医]花粉素
🗣️ 情景例句
What's up?
什么事？
There is nothing either good or bad, but thinking makes it so.
事情本无好与坏，全在自己怎么想。
In summer it is often too hot, and in winter it is too cold.
夏天常常太热，冬天又常常太冷。