It is no longer desirable for adult children to live with their parents.

孩子长大成人后便不再想与父母住在一起了。

Children must use an approved child restraint or adult seat belt.

儿童必须使用经过认可的儿童安全带或成人座椅安全带。

Through play, children act out in miniature the dramas of adult life.

通过游戏，孩子们演出了成年人生活的缩影。

Children do not use inflections such as are used in mature adult speech.

儿童不使用像成年人言语中使用的那些词形变化。

Children under 15 years are free and must be accompanied by an adult.

15岁以下儿童票价免费，但需在成人的陪同下。