Bacteriochlorin
菌绿素
🗣️ 情景例句
I agree. Aren't you hungry?
我想是的。你饿了吗？
How long did the movie last?
电影放了多久了？
Pippa. I called to ask you if you'd like to come to a lecture on Thursday evening at the college.
皮普，我打电话是问你是否想听周四晚上在学院的一个讲座。