Casa
abbr. 天文学高级研究中心（Centre for Advanced Study of Astronomy）；计算机与自动化系统（Computer and Automated System Association）；合作应用卫星A（Cooperative Application Satellite A）
🗣️ 情景例句
Grandpa.
爷爷。
No matter what happens, don't look excited.
不管什么事情发生，你总不要显得激动。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，