obstructive
(a.)妨害的,阻礙的,妨礙的妨礙物,妨礙物
ob·struc·tive /-tɪv/ 形容詞
梗阻的,閉塞的
Ob·struct·ive a. Tending to obstruct; presenting obstacles; hindering; causing impediment. -- Ob*struct*ive*ly, adv.
Ob·struct·ive, n. An obstructive person or thing.
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obstructive
adj : preventing movement; "the clogging crowds of revelers
overflowing into the street" [syn: clogging, hindering,
impeding]