该系统并能起到百分之百的防御作用，其他任何防御系统也是一样。

"This system is not 100 percent foolproof, like any other defense system," said Shapir.

youdao

该系统并能起到百分之百的防御作用，其他任何防御系统也是一样。

"This system is not 100 percent foolproof, like any other defense system," said Shapir.

youdao