obstruction noun

ADJ. physical | unlawful, wilful (law) | bureaucratic The asylum seekers had to contend with continued bureaucratic obstruction.

VERB + OBSTRUCTION cause, create The lorry had been parked on the pavement, causing an obstruction. | clear, remove She had to have surgery to remove an obstruction from her throat.

You can also check Google Dictionary: obstruction (English, 中文解释 )

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