Ils
abbr. 儀表降落系統（instrument landing system）；統一后勤支援（Integrated Logistic Support）
??? 情景例句
My husband and I live near Spaceport.
我和我丈夫住在Spaceport附近。
Step after step the ladder is ascended.
按部就班，循序漸進。
300 pieces.
300個