Tacrine
[化] 他克林; 9-氨基四氢吖啶
🗣️ 情景例句
He's on leave now.
他现在在休假。
He went pale at the news.
听到消息，他脸色发白。
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。