是吗？四正两倒是指机械钻机。
我喂猪时它已经四正岁了。
世园会在周四正式开幕之前正进行最后的检查。
The park is now undergoing final checks prior to Thursday's official opening.
说明白一点，这是兵法中的四正、四偶的布阵。
Say precisely, this is the art of war in a positive, four pairs of opinion.
分别研究了浓硫酸和钛酸四正丁酯两种催化剂对产率的影响；
The different effect between tetra-n-butyl titanate and sulfuric acid was studied.
加入四正丁基四氟硼酸铵明显加快顺式芪的异构反应而减慢四环烷的反应。
Addition of n-Bu_4NBF_4 accelerated the isomerization of cis-stilbene dramatically but retarded the reaction of quadrieyolane.
荧光猝灭及激光闪光光解实验证明四正丁基四氟硼酸铵能促进电荷分离过程而生成离子自由基对。
Fluorescence quenching and flash photolysis experiment proved that n-Bu_4NBF_4 could cause the dissociation of the exciplex to form separated radical ions effectively.
罢工正进入第四周。
他四肢伸开正懒散地靠在扶手椅上看电视。
然而现在，新西兰的一家创业公司正致力于让四分五裂的家庭恢复正常，甚至试图治愈令人痛不欲生的头痛症。
Now, however, a New Zealand based startup company aims to bring messy homes and even splitting headaches back to normal.
他四下看了看，看见啄木鸟正站在一个树桩上哭呢。
He looked around and saw the bird standing on a stump and crying.
只剩下疾病和死亡正四下里包围着他，宛若触手可及……然而就在世界分崩离析的这一刻，他却拥有着生命。
Nothing but the sickness and death he felt surrounded by... and yet, at the very moment that the world was crumbling, he was alive.
我在高速公路前的一个岔道又开始了，我发现一辆蓝色的运货车停在那里，一个男人倚在车旁正四处打量。
There was a slipway before the motorway started again and I noticed a blue van parked on it. The man leaning on it was looking over.
巨大的水晶卫星碎裂成亿万片四散的水晶碎片，现在正填在大西洋的深沟之中。
The great crystal satellite shattered into billions of fragmented crystalline shards, which now fill the deep trenches of the Atlantic.
在发达国家，四大主要力量正推动着产业政策的复兴。
In rich countries four main forces are driving the revival of industrial policy.
卡扎菲现在正四处躲藏，没有出路可逃，除了大海，但是北约正在海上开火。
He is now surrounded, and Gaddafi has no way out except the sea and NATO is firing from the sea.
与之前明显的刺探相反，一些最大的美国，法国和意大利石油公司正四处观望。
Some of the biggest American, French and Italian oil companies are sniffing around, with Total apparently nosing ahead.
其它四个委员会正努力开展工作，试图达成一致意见。
The other four committees were hard at work trying to forge consensus.
在冰淇淋店外面，两个小鬼边吃冰淇淋边好奇地盯着成内亚，劳碌了一天，他正四仰八叉地躺在他的三轮车上，几乎要累死。
Outside the ice-cream shop, two kids were licking ice creams and staring right at Chenayya. He was sprawled on his cart, dead tired after another day’s work.
四国正寻求在国际金融机构中发挥更大的作用。
The four are seeking a greater role in global financial institutions.
“研究者们正努力找到重生手指甚至四肢的方法，”海菲尔德说道。
"Researchers are desperately trying to find ways to regrow fingers and even limbs," Highfield says.
一群母鸡正把地上的灰尘啄得四散。
我想起了妈妈，以为她现在一定已经抵达了机场，正四处找我呢。
I thought about my mother. I thought she must have arrived at the airport by now and be wondering where I was.
在绍兴市好莱坞纺织厂的围墙外面，一栋四层楼的房子正拔地而起。
Outside the Haolaiwu factory wall in Shaoxing, another four-storey home is being built.
在绍兴市好莱坞纺织厂的围墙外面，一栋四层楼的房子正拔地而起。
Outside the Haolaiwu factory wall in Shaoxing, another four-storey home is being built.
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