Dendritic cells in the germinal center may endocytose such antigenic material and present it to T cells, activating them.

生发中心的树突状细胞可以内吞这种抗原物质并将其呈递给 T 细胞，从而激活它们。

youdao

Take both material pieces, lay them out together, apply some contact cement to one end of the strap and lay it glue up in the T. Fold the T ends to the glued center to make the pencil holders.

把剪裁好的布料叠在一起，在一端涂上一些接触胶合剂，让T的尾部粘起。 把T的两端折向中间可以做出放笔的地方。

youdao

You don t have to hurry to walk the city s center in less than an hour.

你不需要在一小时内匆匆地将市中心走完。

youdao

Others say the back seat is small. The T-shaped top of the battery rests underneath the seat, with the longer strip under the center console.

VOA: standard.2010.07.30

I hear this as me being in the center and this oxcart starting-- It could start at either side. It doesn't matter.

我听着这首曲子,感觉像我正站在路中央,然后牛车动了,牛车可以从任何方向开动,这没有关系

耶鲁公开课 - 聆听音乐课程节选

Danny Danon, Likud party member and expected to serve in the next Knesset, was asked why the Israeli-Palestinian peace process hasn't been front-and-center in the campaign.

CNN: STORY HIGHLIGHTS

It's a solid idea, especially when a large number of us already use our smartphones this way, but it isn't very adventurous -- the iPhone won't coordinate extensively with the center stack, unlike smartphone-aware infotainment platforms such as GM's MyLink or Ford Sync.

ENGADGET

But if the volumes aren't there, a Web-only distribution center won't hold up.

FORBES: Booking Losses