Centralite
[化]中定剂, (火箭)固体燃料稳定剂
🗣️ 情景例句
How did you get on in your exam?
你考得怎样？
Every tide hath its ebb.
兴盛之日必有衰退之时。
It's mild,but it's not always pleasant.
气候温和，但也不总是宜人的。