Polymerisate
聚合产物
🗣️ 情景例句
The pollution in Beijing is alarming.
北京的污染给人们敲起了警钟。
It's hard to say.
难说。
the only sound that could be heard was made by water which dripped continuously from the high dome above them.
唯一的可以听见的声响是高高的圆顶上不间断地滴水的嘀嗒声。