强制性的床_有道手机词典

1.联邦婴儿床标准已经30年未修订，新的强制性规定将保障消费者更加安全地使用婴儿床类产品。
The federal crib standards had not been updated in nearly 30 years and these new rules are expected to usher in a safer generation of cribs.
dict.yoduao.com