serious hindrance是什么意思 serious hindrance怎么读
serious hindrance的用法和样例
- Her parent's opposition was a serious obstacle to their marriage.
她父母亲的反对是他们婚姻的严重障碍。 - A serious impediment to the attainment of both objectives is the present arms race.
实现这两个目标的一个严重障碍就是目前的军备竞赛。
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