Centralite
[化]中定剂, (火箭)固体燃料稳定剂
🗣️ 情景例句
I'm very proud of you. You really did a beautiful job.
我真以你为傲。你真的拍得很漂亮。
Overdone is worse than undone.
过犹不及。
Ready? Go! Mr. Hu shouted, and the boys started to run.
“预备--跑！”胡先生喊道，男孩子们开始跑。