Ahc
abbr. 急性出血性结膜炎（Acute Hemorrhagic Conjunctivitis）
🗣️ 情景例句
He was very helpful to me, remember?
他帮过我大忙， 记得吗？
To get a driver's license
取得驾驶执照
Once the oxygen content of the air had risen to 25% it was ready to burn.
一旦氧气在空气中的含量达到25%，它就要燃烧。