H-d
abbr. heavy-duty 关税重的; 重型的; high-density 高密度; 大密度
🗣️ 情景例句
We tested it last week on twelve- to fifteen-year-olds,
我们上一周曾在十二岁至十五岁的孩子中试过这项游戏，
He that gains well and spends well needs no account book.
收支正当，无须记帐。
However, when I was going out shopping last week, I noticed him in the garden near the gate.
然而上星期我正要出去买东西时，发现它正呆在花园里边靠门的地方。