Specifically, waterfalls and whitewater rapids, which are impossible to go down safely on a boat.

特别是瀑布和急流，这些地方根本无法安全地乘船通过。

And the purposes of parole are possibly not best achieved through this legislation.

而且，假释的目的可能无法通过这项立法最好地实现。

To the extent that they are not able legally through the system to retaliate, this creates a lot of potential problems.

如果他们无法通过现有体系合法地进行报复，这就会引发诸多潜在问题。

It feels like a hitting behavior, but unlike with hitting, I can't physically and gently stop her from doing it.

这感觉像是打人的行为， 但与打人不同，我无法通过身体接触温柔地阻止她这样做。

This delay is very important, because if the atria and ventricles contracted at the same time, they would be pushing against each other and blood would not be able to move through the heart in a coordinated way.

这种延迟非常重要，因为如果心房和心室同时收缩，它们就会相互挤压，血液就无法协调地通过心脏。

They simply cannot turn the lights on and off reliably using the foundation of what modern AI is.

他们根本无法可靠地通过现代人工智能的基础来开关灯光。

Thus, you cannot appreciate a novel by reading it passively (indeed, as we have remarked, you must read it passionately) any more than you can understand a philosophical book that way.

因此，你无法通过被动地阅读一本小说来欣赏它（事实上，正如我们所说，你必须充满激情地阅读它），就像你无法通过这种方式来理解一本哲学书一样。

The traditional railroad franchise is bulk commodities that are too heavy to be carried cost-effectively by truck, coal, potash, and grain, for example.

传统的铁路专营权是大宗商品，例如煤炭、钾肥和谷物， 这些商品太重而无法通过卡车经济有效地运输。

So this parent says, it feels like a hitting behavior, but unlike with hitting, I can't physically and gently stop her from doing it.

所以这位家长说， 这感觉像是一种打人行为，但与打人不同的是， 我无法通过物理方式温柔地阻止她这样做。