H-d
abbr. heavy-duty 关税重的; 重型的; high-density 高密度; 大密度
🗣️ 情景例句
What was it about?
刚才谈什么？
Do you ever study English on Sunday?
你曾经在星期日学英文吗？
Which language is spoken by the largest number of people in the world?
世界上哪种语言说的人最多？