phototropism

英 [ˌfəʊtəʊ'trəʊpɪzəm] 美 [ˌfoʊtoʊ'troʊpɪzəm]

• n. 屈光性；向光性

英英释义

Noun:

1. an orienting response to light

例句

用作名词 (n.)

1. They are involved in phototropism, and in PHOTOPERIODISM, where they are thought to affect phytochrome by transferring light energy from blue to red wavelengths.
   它与向光性和光周期有关，一般认为黄素通过把光能从蓝光转移到红光而影响光敏色素。
2. They are involved in phototropism, and in PHOTOPERIODISM, where they are thought to affect phytochrome by transferring light energy from blue to red wavelengths.
   它与向光性和光周期有关，一般认为黄素通过把光能从蓝光转移到红光而影响光敏色素。

词汇搭配

• negative phototropism 背光性
• positive phototropism 正趋光性