双重保险 meaning in Chinese
double check
double indemnity
double insurance
Examples
- Then, doubly to reassure herself, a fantastic idea seized bertha to dress as though she were going to a great ball .
接着，为了得到双重保险，伯莎心生一个古怪的念头：她要梳妆打扮，就象她准备去参加一个盛大的舞会。 - Electric and mechanical safety device
机械电气双重保险