Polyarylester
聚芳酯; 聚芳酯
🗣️ 情景例句
Oh, Richard! That's wonderful, but--
噢， Richard ，那真是太好了， 可是……
We can't write very well.
我们不能写那么多。
The ideal to be aimed at was to devise an instrument that could record with a pen on paper,
当地震发生时，它能用笔在纸上记录下