Phenanthrylene
[化] 亚菲基
🗣️ 情景例句
Sure. Where are you going?
当然。您要去哪里？
Please come a litter earlier.
请早一些来。
In this way, we have learned all that we know of the laws of astronomy,
例如，用这种方法，我们完全掌握了天文学的规律。