Ails
abbr. 自动仪表着陆系统（Automatic Instrument Landing System）
🗣️ 情景例句
Are you ready for a lifetime commitment?
你准备以身相许了吗？
Where were you on Tuesday?
星期二你在哪里？
This is because the surface of the earth is not flat but round.
因为地球表面不是平的，而是圆的。