显然这看起来是一个问题，因为我们知道实际上，甲烷是四价的，而这告诉我们它仅仅是二价的。

So this should immediately look like a problem because we know, in fact, that methane is tetravalent, and this is telling us it's only divalent.

youdao

中金所为上述四张合约设定了一个3399点的基准价，略高于周四的收盘价。

The exchange set a base price at 3399 for all four contracts, slightly above Thursday's close.

youdao

星期四的发行价和当天股价的大幅的上升让人回想起雷曼兄弟破产之前的那段时间，收益大增的同时，亚洲股市出现又一轮的走弱。

The initial value and the sharp rise on Thursday recalled the days before Lehman Brothers collapsed, and the gains bucked another weak session for Asian stock markets.

youdao

It's 109 . 5 is what we would expect for methane because it's tetravalent, but here we're just seeing something that's divalent, and they're both in p orbitals that are perpendicular to each other.

因为甲烷是四价的，我们预测是109。,但这里我们，看到的是二价的，它们都在。

麻省理工公开课 - 化学原理课程节选

So this should immediately look like a problem because we know, in fact, that methane is tetravalent, and this is telling us it's only divalent.

显然这看起来是一个问题,因为我们知道实际上，甲烷是四价的，而这告诉我们它仅仅是二价的。

麻省理工公开课 - 化学原理课程节选