Now look at the socket on the motherboard: this socket should have a missing hole or should have a 1 indicating pin one.

现在，观察一下主板上的插槽：该插槽应当有一个盲孔或是一个数字1来指示针1的位置。

youdao

The front door was missing. A hole gaped in the roof.

前门没有了，屋顶裂开一个洞。

《柯林斯英汉双解大词典》

Westmorland tells them he covered the hole as best he could, but it's only a matter of time before the other C.O.S notice that Bellick is missing.

他告诉同伙们他尽全力将洞遮住了，但是狱警们发现Bellick的失踪只是时间的问题。

youdao

The apartment is small. A door is missing under the kitchen sink and there is a hole in the wall near the window.

VOA: standard.2010.02.23

For now, the missing mural has left a big hole in the side of a building and the heart of a community.

FORBES: Banksy Mural Chiseled Off Building, About To Be Sold At Auction For $700,000

With McDowell missing his birdie putt, Simpson needed to hole the return to prolong the contest, but it slipped by.

CNN: G-Mac back on top after Heritage playoff triumph

The Grizzlies struggled to penetrate the defense and got few easy looks, missing eight straight shots in a span of more than six minutes early in the game to fall into a hole that proved too big to overcome.

WSJ: Syracuse blows past Montana 81-34 in NCAA opener