Ils
abbr. 仪表降落系统（instrument landing system）；统一后勤支援（Integrated Logistic Support）
🗣️ 情景例句
How about the pricing?
价格怎么样？
No one (or man) is born wise or learned.
人非生而知之者。
We were getting very worried.
我们都非常担心呢。