Phosphurane
磷杂环戊二烯
🗣️ 情景例句
We communicate with each other by letter.
我们用书信彼此联系。
I'm certain he will be able to find the right place.
我肯定他会找到正确地点。
Don't worry! We won't leave before nine. We'll wait for you outside the school gate!
别担心！9：00前我们不会出发。我们将在学校的大门外等你！