heavy box的用法和樣例：
例句
- How could he get his heavy box up all those stairs?
這么重的箱子他是怎么抬上樓的？ - My son asked me to let him have a go at the heavy box.
我兒子要我再讓他試一試，把這個(gè)沉重的箱子抬起來(lái)。 - Can't you help your mother wrestling with that heavy box?
你不能幫幫你媽媽搬一搬那沉重的箱子嗎？ - It's quite an effort to lift this heavy box.
抬起這只沉重的箱子要花費相當大的力氣。
