H-d
abbr. heavy-duty 关税重的; 重型的; high-density 高密度; 大密度
🗣️ 情景例句
Oh, poor baby.
噢， 可怜的小宝贝。
Diligence is the mother of success.
勤奋是成功之母。
Only one or two people have objected that the students will drive too fast!
只有一两个人提出反对意见，说学生们会把车开得太快！