纯: 形容词1.(纯净; 不含杂质) pure; unmixed 短语和例子纯白 pure white; 纯黑 all black; 纯金 pure [solid] gold; 纯毛 pure wool2.(纯粹; 单纯) simple; pure and simple 短语和例子纯属捏造 sheer fabrication3.(纯熟) skilful; practised; w
限制: place [impose] restrictions on [to]; astrict; restrict; limit; confine; shut down on [upon]: 限制数量 limit to a number or amount; 年龄限制 age limit; 时间限制 time limit; 对 ... 实行限制 impose restrictio
