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詞義:障礙物

一.相關單詞
obstacle ； obstruction ；barrier ； impediment ； barricade

二.各個擊破
1.obstacle
n. 障礙（物）；障礙物（絆腳石，障礙柵欄）
eg.
Most competition cars will only roll over if they hit an obstacle.
大多數賽車只有在撞上障礙物時才會翻車。
To succeed, you must learn to overcome obstacles.
必須學會克服困難才能成功。

2.obstruction
n. 障礙物；阻礙的行為或例子；阻礙，受阻；妨礙議事
eg.
She had to have surgery to remove an obstruction from her throat.
為去除咽喉里的堵塞物，她不得不接受手術。
The lorry had been parked on the pavement, causing an obstruction.
卡車停在人行道上，引起了堵塞。

3.barrier
n. 障礙；屏障；柵欄；分界線
vt. 把…關入柵欄；用柵欄圍住
eg.
Duties and taxes are the most obvious barrier to free trade.
關稅和稅收是自由貿易的最大壁壘。
There is no reason why love shouldn't cross the age barrier.
愛沒有理由不能跨越年齡的阻礙。

4.impediment
n. 妨礙，阻止；口吃，結巴；障礙物；法定婚姻的障礙
eg.
He was satisfied there was no legal impediment to the marriage.
這一婚姻沒有任何司法上的障礙，他對此很滿意。
John's slight speech impediment made it difficult for his mother to understand him.
約翰有輕微的言語障礙，這令母親很難理解他的話。

5. barricade
n. 路障，障礙物；防御，阻礙
vt. 設路障于，以障礙物阻塞；封鎖，阻擋
eg.
Large areas of the city have been closed off by barricades set up by the demonstrators.
城市中大片地區被示威者設立的路障封鎖了。

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