Staged vehicle
多级火箭
🧩 词语组成解析
a. 分期的
🗣️ 情景例句
I am looking forward to Christmas.
我盼望着圣诞节的到来。
He that commits a fault thinks everyone speaks of it.
做贼心虚。
The journalist immediately set out to obtain these important facts,
记者立即出发去核实这些重要的事实，