pile v.把…堆积（或堆叠）起来。
pile (sth) up
1）成为一堆，把…堆积起来。to form a pile, or to put a lot of things into a pile
2）（使）（不好的事物）增加，（使）累积。(of something bad) to increas
【例句】
We piled plenty of logs up next to the fire.
我们在炉火旁堆了很多木柴。
Unpaid bills began to pile up alarmingly.
未支付的账单越积越多，数目惊人。
1）成为一堆，把…堆积起来。to form a pile, or to put a lot of things into a pile
2）（使）（不好的事物）增加，（使）累积。(of something bad) to increas
【例句】
We piled plenty of logs up next to the fire.
我们在炉火旁堆了很多木柴。
Unpaid bills began to pile up alarmingly.
未支付的账单越积越多，数目惊人。
