Phaeochromin
暗色菌素
🗣️ 情景例句
Can I count on your help?
我能仰仗你的协助吗？
He has been to America.
他曾去过美国。[表示曾经有过的经验]
This platform would serve as a port and a railway station.
如果再建些伸出海面的高大的烟囱状通风管，