Staged vehicle
多级火箭
🧩 词语组成解析
a. 分期的
🗣️ 情景例句
I miss them very much.
我非常想他们。
Do your children go to school yet?
府上的孩子们已经上学了吗？
She understood what I was talking about, even though it was the first time we had spoken together.
她理解我的话，虽然我们是第一次在一起说话。