重要阶段

EST electrophoresis shows EST is an important antidotal enzyme system and reacts strong to environment. EST changes greatly during the whole treating period and can be viewed as pathological index of toxicity.

同工酶电泳分析表明，EST是动物体内一种重要的解毒酶系统，且是钉螺对外界刺激反应最强烈的同工酶之一，EST在整个提取物作用阶段变化明显，可作为钉螺中毒的病理指标。

But I'm 23 and approaching an important stage of my career.

"但是我是23岁，这是我职业生涯最重要的阶段。"

It is arguably the most important phase.

它可说是最重要的阶段。

Belgium is in " the crossroad of Europe ".It is very important in her strategic position. After it gained independence in 1830 , Belgium industry developed at a tremendous speed. The Sino-Belgium relationship entered a brand-new stage.

比利时处于"欧洲的十字路口"，战略地位十分重要。1830年比利时建国后，比利时工业得到长足发展，中比之间的交流也进入了一个新的阶段。

At university stage, it is very important for students to improve their mathematics attainment for their lifelong development.

在大学阶段，提高数学素养对学生的终身发展来说，更显得重要。

As the transition phase is in the human ancestor Australopithecus, and would create between tools, so understanding the organism from the ape to man the change, understanding the way of life from the ape to man's way of life changes and the origin of human-made tools , all have very important significance.

由于过渡阶段正处于人类的古猿祖先和会制造工具的人之间，因此对于了解由猿向人的机体的转变，了解由猿的生活方式向人的生活方式的转变及人类制造工具的起源，都有着极为重要的意义。

For Bainbridge, adolescence is less about achieving sexual maturity than about developing a mind capable of negotiating the psychological and social landscape that makes human life so different from that of other animals.

在布莱恩看来，青少年阶段的意义不只是到达性成熟，更重要的是形成一个有能力处理心理和社会问题的大脑。这正是人和其他动物不一样的地方。

Of motherhood, Berry says,"I think it is the most important thing we do as women."

准妈妈贝瑞说道："我想这是女性最重要的人生阶段了。"

This is especially important for early-stage drug development where strict timelines usually impede the laborious and hence time-consuming process of biocatalyst discovery and optimization.

特别是在药物合成的初级阶段很重要，通常严格的反应时间是阻碍实验进展的主要原因，因此酶催化反应中的问题是生物催化剂的发现和优化。

Settlement and metamorphosis is an important stage during the development of larvae to juveniles in bivalves.

附着变态是海洋贝类从幼虫向成贝转变的重要发育阶段，附着变态的成功与否直接影响着贝类的存活。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。