| 1. | The tourniquet should occlude venous and lymphatic return .
止血带应阻断静脉及淋巴回流。 |
| 2. | The heavy snow has prevented all communication with the highlands .
大雪阻断了与高地之间的一切联系。 |
| 3. | When the button is depressed the vent is closed and the output signal increases .
当掀下按钮时，排气孔通道被阻断，输出信号增大。 |
| 4. | On the other hand, it may represent a direct vasodilator action unrelated to cholinergic blockade .
这可能是一种与胆碱能阻断无关的直接血管扩张作用。 |
| 5. | Drugs that activate or block these receptors more selectively are detailed in this and the next chapter .
选择性激活或阻断这些受体的药物将于本章和下一章中详述。 |
| 6. | it blocks both and receptors competitively and does not exhibit any intrinsic agonistic properties.
本品既可竞争性地阻断受体和受体，且不表现任何内在激动性活动。 |
| 7. | Most of these have been discovered in the last few years, and, as yet, we know of no drugs that enhance or block their effects .
其中多数是近几年发现的，而且我们还未弄清有哪种药物可以增强或阻断它们的功能。 |
| 8. | His thoughts were brusquely interrupted; looking in ferrand's face, he saw to his dismay tears rolling down his cheeks .
他的思潮被突然阻断了；朝费朗德的脸庞一看，他看见眼泪从他腮帮子上簌簌地滚下来，不由得很惊惶。 |
| 9. | Textiles . tests for fabrics . light blocking effect
纺织品,织物试验,光阻断效应 |
| 10. | The frequencies are blocked ? that ' s not easy to do
频道被阻断了？没那么容易 |
