OG-11

luanbusmr

How then can these cells differentiate and form structures as different as roots,stems, leaves, and fruits?
第一段第二句，How then从语法上怎么解释？全句意思是什么？谢谢！

One hormone stimulates the thyroid gland, for example, another （stimulates） the ovarian follicle cells, and so forth.（32行）

是不是省略了括号中的stimulates？

There are indications that pleiotropic plant hormones may actually function by activating the enzymes that release these other, more specific chemical messengers from the cell wall.（最后一句）

这些表明来自细胞壁的综合性植物激素通过激活能分泌其他激素的酶确实起到了更好的特殊化学信使的作用。

[此贴子已经被作者于2005-11-2 16:53:22编辑过]