Dialin
二氢化萘
🗣️ 情景例句
What did I do with the rings?
我把戒指放哪儿了？
They jumped at the unexpected noise.
他们因突如其来的声音吓得跳了起来。
Predicting the future is notoriously difficult.
众所周知，预测未来是非常困难的。