Polylactide
聚交酯
🗣️ 情景例句
How wonderful to meet you again!
又一次见到您真是太高兴了！
Mercy to the eriminal may be eruelty to the people.
对罪犯的仁慈，就是对人民的残忍。
Is she at school today?
她今天上学来了吗？