英语语法分析

Signs across the entrances warn all visitors to stub out their cigarettes.

入口处的标牌告诫所有参观者要掐灭他们的香烟。

《柯林斯英汉双解大词典》

It is divided into three parts of the same length by three entrances with a lawn in the center.

它被三个入口分成三个长度相同的部分，中间有一片草坪。

If water levels fall in summer, as they do in most of North America, then beavers lodge entrances may be exposed.

如果夏季水位下降，就像在北美大部分地区所发生的那样，那么海狸居所入口可能会暴露。