In order to study the role of immediate early genes (IEG) in the neurotoxic mechanism of lead, expression of c fos and c jun genes in different regions of rat brain treated with lead (13 and 130 mg/kg) were observed by using immuno histochemical method.
为了研究即刻早期基因（ＩＥＧ）在铅的神经毒性机制中的作用，本实验应用ＦＯＳ和ＪＵＮ蛋白免疫组织化学方法对腹腔注射染铅１３ｍｇ／ｋｇ及１３０ｍｇ／ｋｇ的大鼠不同脑区ｃ－ｆｏｓ、ｃ－ｊｕｎ表达水平进行了观察。
The old man declined rapidly and soon died.
老人的健康衰退得很快，不久就去世了。
Paul won't be long.
保罗很快/不久就会回来
TMac is a aging fast and could very well retire soon.
麦迪却老得很快，很可能不久就会退役。
Time passed quickly. It was soon time to leave. I was sad to go.
时间过得很快,不久我们就要离开了。
It didn't take her long to work out that she would soon have no money.
她很快就推算出他不久钱就要有完了。
The old man is sinking fast and won't live much longer.
老人衰弱很快,活不长久了。
The apples are ripening quickly;we shall soon be able to pick them.
苹果很快就熟了,不久,我们就把它们摘下来。
I think, a shower won't last long. It'll soon clear up. Don't worry.
我想，阵雨不会下很久的。很快就会放晴。你用不着担心。
Before long it published, all sorts of hand-written copies and prints were gone around among folks, even the palace wasn't exception.
成书不久，各种手抄本和印本很快在民间流传开来，连皇宫也不例外。
Very soon after the explosion, a destructive shock(or blast)wave develops in the air and moves rapidly away from the fire-ball.
爆炸后不久，在空气中很快就形成一个有毁坏性的冲击（或爆震）波，它很快地离开火球向前推动。
He made such rapid progress that before long he began to write articles in English for an American newspaper.
他进步很快, 不久就开始用英文给一家美国报纸撰稿。
They hope they'll soon see better days.
他们希望不久后就会有好日子过（他们希望很快就会时来运转）。
A channel is no sooner cut than it chokes in its own detritus.
一个河道刚被切割了不久，很快又被它自己的碎屑物质所充塞。
Don't delay too long，for the trip will be all booked soon In the peak period.
不要拖得太久，此条线路的旅游团在旅游旺季很快会被预订满员的。
She fought her way back to health so quickly after the accident that she was soon back at work.
经过治疗调养她很快恢复健康，事故过后不久就重返工作了。
but it held on its even course, Soon gained on the wolves, and ere long left the howling band at a safe distance behind.
但是，雪橇走得很好，它很快就跑到前头了，不多久，那群狂叫的饿狼已经被甩在后边了。
I won't keep you long.
我不会耽搁你很久。
The storm will not last long.
暴风雨不会持续很久。