栅: 栅名词(栅栏) railings; paling; palisade; bars 短语和例子铁栅 iron railings; iron bars; metal rails; 木栅 paling; palisade; pale
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