n.果醬

n.堵塞；擁擠；困境

v.塞滿；擠；卡住；夾傷；干擾；猛壓

He spread some apple jam on the bread. 他在面包上涂上蘋果醬。

I reached across the table for the jam. 我伸手到桌子那端去拿果醬。

Traffic jams in the town happen everyday. 城里的交通天天堵塞。

We were delayed in a traffic jam. 我們因交通擁擠而遲到了。

They detoured around the traffic jam by heading south. 他們朝南繞過交通擁擠的人群。

How am I going to get out of this jam? 我怎樣才能擺脫困境呢？

The holiday traffic is jamming the roads. 假日的車輛堵塞了交通。

You'll have to catch the next bus, we can't possibly jam any more passengers in. 你得坐下輛公共汽車, 這輛車無論如何也擠不下了。

The key turned halfway and then jammed. 鑰匙轉(zhuǎn)了一半就卡住了。

He got his finger jammed in the door. 他的手指被門夾傷了。

I had to jam an the brakes sharply to avoid hitting two children 我必須猛地踩剎車，以免撞上兩上孩子。

jam的基本意思是“夾”“擠在中間”而四方受力,從而不能活動或脫開。常指“堵塞”“擠滿”,有時也指槍、機(jī)器、零件等堵塞、移位、出現(xiàn)故障等而阻礙運(yùn)轉(zhuǎn)。

jam可用作不及物動詞,也可用作及物動詞,用作及物動詞時,可接名詞或代詞作賓語。可用于被動結(jié)構(gòu)。

jam的過去式、過去分詞均為jammed。