Srsd
abbr. Space and Re-entry Systems Division 航天与再入系统处
🗣️ 情景例句
Bye.
再见。
He has lived here for a year.
他在这里住了一年了。[表示持续到现在的行为]
The sitting room looks really beautiful at the moment.
此刻客厅显得非常美丽。