Ethoxyline
环氧树脂
🗣️ 情景例句
There's something missing. You've got a good eye, Richard.
少了些东西。你有艺术眼光， Richard。
No, it can't be gold.
不，它不可能是金子。
The first records the arrival of longitudinal vibrations.
首先记录下的是纵向波的到达；