With a heparin lock, a catheter is placed in the vein, a drop of the blood-thinning medication heparin is added to prevent clotting, and the catheter is locked off.

肝素帽是在静脉里放置导管，添加血液稀释的肝素滴液以预防血管栓塞，而导管被锁住。

youdao

Today he'd just drop the books off in the outside return box, but it was locked.

今天，他想只把书放在外面的归还盒里，但它是锁着的。

youdao

Even when the car is off and locked, these fans whir around, so when you step back into it you don't need to crank up the power-hungry air conditioning.

即使在汽车熄火及锁着的时候，这些冷却风扇也在呼呼旋转着，所以当你回到车内时，你无需开大耗电的空调。

youdao

Even though you've left the company, you still are locked off the way an officer of the company, so he's got a problem there.

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Those locals were initially locked off the trading floor.

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Because the toys are the only way you can play the game, including other characters in the game that could access these locked off areas without having the toys would basically break the game entirely.

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