Hco
abbr. 重循环油（heavy cycle oil）
🗣️ 情景例句
But I wear size ten.
但我穿十号的衣服。
Did you clean this yourself?
你自己亲自清理这个？
Thanks very much. Granny, the hospital is not very near.
非常感谢。老大娘，这家医院有点远。