Perkins'reaction
[机] 珀金斯反应
🗣️ 情景例句
Thanks.
谢谢。
The uneducated are more to be pitied than blamed.
对未受过教育的人们更多的是要可怜而非责怪。
NASA is now going to put the telescope right,
国家航天局准备纠正这一错误，