它们不会触发金属探测器，也没有任何可以识别的外形轮廓。

They won't set off a metal detector, nor do they have any distinguishing silhouette.

youdao

它们不会触发金属探测器，也没有任何可以识别的外形轮廓。

They won't set off a metal detector, nor do they have any distinguishing silhouette.

youdao