Centralite
[化]中定剂, (火箭)固体燃料稳定剂
🗣️ 情景例句
Hi, Carl.
嗨， Carl。
Hello. I wish to speak to Mr.Chen?
喂，我想和陈先生讲话。
The real dividing line between continents and oceans occurs at the foot of a steeper slope.
大陆和海洋的真正分界线是在陡坡脚大陆架慢坡