The difference equations for numerical solution of boundary conditions in pump and nozzle are given.

Central grease fitting for lubrication of stem nut.

中心黄油嘴适用于阀杆螺母润滑.

I remembered her so full of life and laughter and happiness; and all that was gone.

在我的记忆中她是那样生气勃勃,嘻嘻哈哈,无忧无虑, 而这一切都成了过去的事了.

After a corner, she began to laugh and touched me with her shoulder innocently.

一拐弯, 她便嘻嘻哈哈地笑起来,还天真无邪地用肩膀撞了我一下.

He simply laughed off the embarrassing situation in which he had found himself.

他嘻嘻哈哈地就把他的尴尬处境应付过去了.

Thellos guy used to chat and play with me day and now he was Worm's husband.

这个整天和我一路嘻嘻哈哈打打闹闹的家伙,已为差役君了.

His professional cheerfulness conceals his pride.

他那做作到家的嘻嘻哈哈的态度掩盖了他的骄傲.

Let us live merrily.

让我们嘻嘻哈哈过这一世吧.

A crowd of young people sat on the grass laughing and chatting.

一群年轻人坐在草地上嘻嘻哈哈地说笑.

Liu the Sage glared at him and walked away . Everyone laughed, and the story rapidly spread.

才诸葛翻了他一眼, 扭转头返回去了, 大家就嘻嘻哈哈传为笑谈.

He is a very slippery fellow, and not easy to deal with.

他这人滑头滑脑的可不好对付!

Dwyane Wade, at the team's average play, wasn't worry about the confidence.

韦德是上个赛季的新秀,他的表现中规中矩, 并不担心球队对获胜的信心.

She flirted with David.

她与戴维眉来眼去.

B : Yeah, she's always flirting with guys like a socialbutterfly.

是呀, 她总是和男孩子们眉来眼去的,象朵交际花.

Nigel: Correct. Margaret Thatcher said it.

纳吉尔: 正确答案. 是玛格丽特·撒切尔说的.

PANP levels were weakly correlated with LVEDD and LVEF in patients with systolic heart failure ( SHF ).

收缩性心力衰竭 ( SHF ) 患者PANP含量与LVEDD,LVEF相关性 较弱.

All animals have to observe the jungle law.

所有动物都必须遵守弱肉强食的原则.

Evolution is part of nature, and nature kills.

进化是自然的一部分, 弱肉强食.

In some parts of it, the only law is law of jungle.

在有些地方, 唯一的原则是弱肉强食.

Arthur choked on his beer, leapt to his feet.

阿瑟被啤酒噎了一下, 直跳脚.

The witness may even retract his testimony all of a sudden, to the exasperationof the prosecutor.

甚至证人突然翻供, 检察官气到跳脚也所在都有.