Fluoroplutonate
氟钚酸盐
🗣️ 情景例句
You are always straying from the subject.
你说话总爱跑题。
Mrs.Jones,this is Mr. John Smith.
琼斯夫人，这是约翰、史密斯先生。
I have some difficulty in pronouncing some of the words in English.
我有些英语单词发音不好。