It's just a general checking, but it's always coming back into the breath.

是一种总体检查，但总是要回归到呼吸上。

普林斯顿公开课 - 人性课程节选

Specifically, it's always the z that forms the sigma orbital, and the reason is at least at a minimum for this class we always define the internuclear axis as the z axis, so this is always the z axis, so it's always going to be the 2 p z's that are coming together head-on.

特别的，z总是形成sigma轨道，这是因为至少在这个课里面,我们总是定义核间轴为z轴，所以这总是z轴，所以2pz轨道总是,朝一个方向出现。

麻省理工公开课 - 化学原理课程节选

It's not always nice coming here when 99% of the crowd want you to lose.

BBC: Raymond van Barneveld

"I don't know if that's fair, but it's always nice to hear stuff like that coming from him, " Doherty said.

BBC: SPORT | Football | Europe | Gerrard strikes frustrate Doherty

This is not your father's cd player, it's your dropbox coming to life in your vehicle and always updating automatically.

ENGADGET: Automatica dongle plugs into cars, downloads audio from Dropbox, podcast feeds and more