Photopositive
a. 正趋光性的\\n[电] 正光电导的
🗣️ 情景例句
Thank you. I appreciate your help.
谢谢！很感谢你的帮助。
What are you looking at?
你正在看什么？
No, less than that. One and a half teaspoonfuls, please.
不，再少一些。请放一勺儿半。