Chalcone synthase ( CHS ) gene is the key gene during the pathway of synthesizing anthocyanidin.是什么意思？

Chalcone synthase ( CHS ) gene is the key gene during the pathway of synthesizing anthocyanidin.

查尔酮合成 酶 基因(Chalconesynthase;CHS ) 是植物体类黄酮合成的关键基因.

chalcone

n. 查耳酮（芳基烯丙酰芳烃，苯丙烯酰苯）；

例句
Up to 96 % ee was achieved with 4 - nitro - chalcone as enone substrate.
以 4- 硝基查耳酮为原料的反应,其产物可获得最高达96%ee值.

gene

n. <生>基因，遗传因子；

例句
The gene is only part of the causation of illness.
基因只是致病的部分原因。

is

vt.& vi. 是（be的三单形式；n. 存在；

例句
Bollinger 'RD' is a rare, highly prized wine.
博林格RD香槟是一种名贵的备受推崇的葡萄酒。

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

key

n. 钥匙，（打字机等的）键，关键，线索，秘诀，（音乐的）调；vt. 键入，锁上，调节…的音调，提供线索；vi. 使用钥匙；adj. 关键的，主要的；

例句
Several key crops failed when they were attacked by pests.
一些主要农作物由于遭受虫害而歉收。

during

prep. 在…的时候，在…期间，当…之时，其间；

例句
...the accrual of funds used during construction.
建设过程中资金的累积

pathway

n. 路，道，途径，路径；

例句
During childhood each of us has to navigate a pathway through a series of developmental stages...
我们每个人在童年时都要经历和应对不同的成长阶段。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

anthocyanidin

n. 花色素；

例句
Red cabbage pigment is a kind of anthocyanidin which widely exist in plants.
红甘蓝色素是花色素的一种.