Child-proof packaging儿童安全包装
Child-proof package儿童防护包装
Child-proof safety scissors儿童安全剪刀
Child-Proof Rear Door Locks小孩安全后门锁
One-child proof独生子女证
ADJ（形容词） Something that is childproof is designed in a way which ensures that children cannot harm it or be harmed by it. 对儿童安全的; 不会被儿童弄坏的
The rear doors include childproof locks.
后门装有儿童安全锁。