He says North Korea's actions block any exchange of people and resources between the Koreas.

VOA: standard.2010.05.27

You'll have S block, P block, and D block elements.

有S区，P区和D区元素。

麻省理工公开课 - 固态化学导论课程节选

We'll give it a name, but by linking that T to that T, we can also figure out the same T must be exerted on this one by Newton's third law, because if this block is the only one that could be pulling this rope with T.

我们先给它命个名,把这个 T 和那个 T 联系起来,利用牛顿第三定律,我们可以知道这个 T 也一定作用在这个物体上,因为如果这个物体是唯一,受到绳子拉力 T 的物体

耶鲁公开课 - 基础物理课程节选

Does this sound like a guy suffering from low self-esteem, let alone writer's block?

WSJ: Like a James Bond Flick

Hamilton's Joel Thomas sent in a well-timed effort before half-time, but Scott Severin's block denied him.

BBC: Aberdeen 1-0 Hamilton Accies

Perhaps he did: he often complained of the artistic malady known as writer's block.

ECONOMIST: William Phillips | The