Ils
abbr. 仪表降落系统（instrument landing system）；统一后勤支援（Integrated Logistic Support）
🗣️ 情景例句
The title ...
名字……
What did you have for lunch?
你中午吃些什么？
Although we can't see these atoms, they really do exist.
虽然我们看不见原子，但它们的确存在。