Ac.
[医] 锕(89号元素)
🗣️ 情景例句
I'm sorry, I spoke out of turn.
对不起，我说错话了。
Every why has a wherefore.
事出有因。
As no pumas had been reported missing from any zoo in the country, this one must have been in the possession of a private collector and somehow managed to escape.
由于全国动物园没有一家报告丢了美洲狮，因此那只美洲狮一定是某位私人收藏豢养的，不知怎么设法逃出来了。