Photopositive
a. 正趋光性的\\n[电] 正光电导的
🗣️ 情景例句
Couldn't you sell us one carton for-?
不能以每盒--卖给我们吗？
I turned off when they started talking about computers.
当他们谈论计算机时，我失去了兴趣。
I don't know.
我不知道。