動(dòng)詞 cram:

1. crowd or pack to capacity
   同義詞：jam, jampack, ram, chock up, wad
2. put something somewhere so that the space is completely filled
3. study intensively, as before an exam
   同義詞：grind away, drum, bone up, swot, get up, mug up, swot up, bone
4. prepare (students) hastily for an impending exam

1. My son go to cram school every evening.
   我的兒子每晚都去上補(bǔ)習(xí)班。
2. How do they all cram into that doll's house?
   那小小的房子怎麼擠得下他們大家呢?
3. This box is crammed with Christmas gifts.
   這個(gè)盒子里塞滿了圣誕禮物。
4. He crammed as much candy into his pockets as they would hold.
   他把口袋都塞滿了糖果。

cram

v.（動(dòng)詞）
crammed,cram.ming,crams
v.tr.（及物動(dòng)詞）
To force, press, or squeeze into an insufficient space; stuff.
塞滿，填滿：逼迫、擠壓或強(qiáng)塞使之達(dá)不到需要或適當(dāng)?shù)目臻g；塞滿
To fill too tightly.
塞得太緊

To gorge with food.
大口地吃食物
To eat quickly and greedily.
快速貪婪地吃食物
Informal To prepare (students) hastily for an impending examination.
【非正式用語】 倉促應(yīng)考：倉促地為（學(xué)生）準(zhǔn)備即將到來的考試
v.intr.（不及物動(dòng)詞）
To gorge oneself with food.
貪婪地吃
Informal To study hastily for an impending examination:
【非正式用語】 倉促準(zhǔn)備即將到來的考試：
例句：
was up all night cramming for the history midterm.
整夜未眠準(zhǔn)備歷史期中考試

n.（名詞）
A group that has been crammed together; a crush.
擁擠到一起的人群；聚會(huì)
Informal Hasty study for an imminent examination.
【非正式用語】 倉促準(zhǔn)備：為應(yīng)付即將到來的考試所作的倉促準(zhǔn)備

來源：
Middle English crammen
中古英語 crammen
from Old English crammian * see ger-
源自 古英語 crammian *參見 ger-

【引伸】
cram.mer
n.（名詞）