They're struggling down through these constrictions.

他们正在努力通过这些狭窄处。

Renin also causes constriction of blood vessels which helps raise blood pressure.

肾素也能引起血管收缩，从而帮助升高血压。

Smooth muscle constriction results in the feeling of chest tightness.

平滑肌收缩导致胸闷感。

Leto stilled his sudden constriction of fear, darted down the passage, crouched beside the crawling figure.

莱托平息了突然的恐惧收缩，飞奔下通道，蹲在爬行的身影旁边。

The era of constriction is over.

缩减规模的日子结束了。

It’s thought that this extreme constriction of blood vessels was an evolutionary advantage for humans.

人们认为，这种血管的极度收缩是人类的进化优势。

But when you hyperventilate, this constriction happens everywhere, which means less blood is delivered to your brain, which makes you light-headed.

但是当你过度换气时，这种收缩无处不在，这意味着输送到大脑的血液减少，这会让你头晕。

Nicotine and other chemicals from the cigarette simultaneously cause constriction of blood vessels and damage their delicate endothelial lining, restricting blood flow.

香烟携带的尼古丁和其他化学成分，会使血脉缢缩，同时损伤它们脆弱的内皮细胞，限制血流。

There was a mind meld that we are not limited by constriction -- a podcast, music, books, book publishing.

有一种想法认为我们不受限制——播客、音乐、书籍、书籍出版。

They may just be vague feelings of unease, heaviness, or constriction, halfway between an emotion and a physical sensation.

它们可能只是一种模糊的不安、沉重或压迫感，介于情绪和身体感觉之间。