prohibitive
词根词缀：
cohabit v. 同居
co 共同 + habit 居住 → 同居
habitable adj. 可居住的
habit 居住 + able 可…的 → 可居住的
habitant n. 居住者
habit 居住 + ant 人 → 居住者
habitat n. （动植物）居住地
habit 居住 + at 地方 → （动植物）居住地
inhabit v. 居住
in 使… + habit 居住 → 居住
inhabitant n. 住户，居民
inhabit 居住 + ant 表人 → 住户，居民
uninhabited adj. 杳无人迹的
un 无 + inhabit 居住 + ed 表形容词 → 无人居住的 → 杳无人迹的
数据来源：新东方英语词汇速记大全
相关例句：
The government has put a prohibitive tax on foreign goods.
政府对外国货征收抑制性税率。
Prohibitive costs mean that neither the hepatitis B nor the papillomavirus vaccine are widely used across the developing world.
难以承受的花费意味着无论是乙型肝炎还是乳头状瘤病毒疫苗，都不可能在发展中国家广泛使用。
The cost of private treatment can be prohibitive.
自费治疗的费用高得让人望而却步。
Again, this would be prohibitive to implement with reflection but it is perfectly acceptable through this method.
同时，这将禁止用反射来实现，但它在该方法中是完全可接受的。
For many organizations, however, the operational complexity and costs to ensure safe third party network access has been prohibitive.
然而对很多组织来说，操作的复杂性和保证第三方安全地访问网络的费用都是难于承受的。
Second, even if it were available, the cost implications are prohibitive.
其次，即便有这么多石油，成本因素也会使人望而却步。