Centralite
[化]中定剂, (火箭)固体燃料稳定剂
🗣️ 情景例句
Where does she live?
她住在哪？
I don't know what I should have done without your help.
要不是您的帮助，我真不知道该怎么办。
Sally was amused, but I was very embarrassed!
萨莉感到很有趣，而我却很尴尬。