Dienite
丁烯均聚物
🗣️ 情景例句
We really appreciate your advice.
我们非常感谢你的建议。
The plans are not even made yet.
这计划还不曾有人策划过。
Later it crossed the Channel, riding smoothly over the waves, which presented no problem.
后来气垫船跨越英吉利海峡，平稳地在波浪上方行驶，波浪不再产生阻力。