Haas
(HAA 的复数) abbr. 重型防空武器（Heavy Anti-Aircraft）
🗣️ 情景例句
and you've got to do one more thing.
而且你还要做一件事。
It is my job to introduce the foreign guests who will be spending the week with us here.
我的责任是介绍这些将与我们共度这一周的外国客人们。
No pain，no gain.
不劳无获。