To gather samples from the Giant Forest trees, the researchers were allowed to collect cross-sections of downed logs and standing dead trees, he said.

史威特南说，为了获取巨木林中树木的年轮样本，研究人员被允许可以收集倒下树木或枯立木的横截面。

youdao

The cross sectional transitions are smooth to avoid dead spaces and minimize pressure loss.

横截面的平滑转变避免了死空间，并且使压力损失达到最小。

youdao

You'd be pretty cross with me for scaring you, because you'd know that an inside "feeling" on its own is not a good reason for believing that a whippet is dead.

你会因为我惊吓了你而非常生气，因为你知道一个内心“感觉”本身不是相信一条惠比特犬死了的好理由。

youdao

The International Red Cross in Geneva says up to three million people are affected and thousands are feared dead.

VOA: standard.2010.01.13

So bad that the cross streets of Chelsea could be renamed dead zones.

FORBES: AT&T Wireless Network Is More Stone Age Than 4G

Not least because in the dead man's pudgy hands he finds a gold cross, ornately worked and made to hang upside down in the way St Peter was said to have been crucified.

ECONOMIST: New fiction