Bacteriochlorin
菌绿素
🗣️ 情景例句
Are we scheduled to leave on time?
飞机准时起飞吗？
All his geese are swans.
他喜欢夸大其词；敝帚自珍。
It is being repaired by a friend of my father's.
父亲的一个朋友正在修理这件乐器。