1·The spy ring had a fifth member as yet still undetected.
特务团伙的第五名成员仍未被发现。
—— 《柯林斯英汉双解大词典》
2·This very simple scheme reduces the risk of undetected accidental failure to about 1 in 256.
这项简单模式将未被发现的意外故障的风险降低到约 1/256 。
3·These incredible pictures show how the previously undetected Lightning suddenly appeared on a Wales beach in 2007.
这些令人难以置信的图片展示了如何与先前未被发现的闪电在2007年突然出现在威尔士海滩上。
4·Undetected genetic changes?
未被发现的遗传变化？
5·However, chemically implausible or impossible structures arose from these manipulations, and it is a concern and disappointment that these chemical features passed into the literature undetected.
然而，化学不可信或根本不可能从这些结构产生的操作，它是一个关注和失望，这些化学特征到文学未被发现通过。