Is that a sigma or a pi bond?

So we can kind of flip it this way this will be one pi bond, this will be another interacting between these p orbitals.

我们可以把它这样翻一下，这是一个π键，这是另外一个p轨道之间，相互作用的π键。

互联网摘选

It's like an executive I once knew who confided that he was not fulfilled.

我曾经认识一位主管,他透露说他很不满意他的现状.

互联网摘选

For high head pressure, the operation of conventional adding sand fracture treatment tech can not fulfilled.

由于施工井口压力高, 常规加砂压裂工艺无法实施作业.

互联网摘选

But I was not accomplished ; because it's really too long to go.

未遂 因为它真的太长了.

互联网摘选

You never can tell.

谁也说不准.

互联网摘选

But you never can tell.

可是谁也说不准.

互联网摘选

And you never can tell how close you are.

你永远不能确定距离成功有多么近.

互联网摘选

The two teams are evenly matched, and It's hard to say who will win.

两队实力势均力敌, 输赢一时难说.

互联网摘选

It's hard to say. Everyone is different.

很难说. 每个人都不一样.

互联网摘选

It's hard to say hello because it might be goodbye.

也许在离别的时候,要说你好很困难.

互联网摘选

It's hard to say . Language isn't like other studies.

很难说. 语言不同于其它的学问.

互联网摘选

A : It's hard to say. He who laughs last laughs best.

很难说. 笑到最后的是笑得最好的.

互联网摘选

It's hard to say I'm okay because sometimes I'm not.

也许在不如意的时候,要说我没事很困难.

互联网摘选

Patient: It's hard to say. It hurts all over.

病人: 这很难说清楚, 好象浑身都痛.

互联网摘选

It's hard to say. I like volleyball a lot, but I guess I like tennis better.

很难说, 我喜欢排球, 但我想我比较喜欢网球.

词典精选例句

It's hard to say exactly what causes such a stellar recovery, but here's a possibility.

很难确切地说是什么原因引起如此显著的恢复, 但是存在一种可能性.

英汉非文学 - 生命科学 - 医学的第四次革命

Jack bounced in the saddle. He felt the cool night wind against his face.

杰克坐在了马鞍上, 他感觉到冰冷的晚风刮着他的脸.

互联网摘选

Night wind whistled, sleeping in bed, warm blanket is difficult to fall asleep.

夜里寒风呼啸, 睡在床上, 暖暖的被窝却难以入睡.

互联网摘选

However, it is night wind, rain of night.

不过, 是一夜的风, 一夜的雨.

互联网摘选

The leaves of the old tree stirred gently in the night wind.

老树的树叶在夜风中轻轻摆动.

词典精选例句