Polyurethane foam
聚氨酯泡沫体
🧩 词语组成解析
n. 聚氨酯\\n[化] 聚氨基甲酸酯; 聚氨酯
foam
[fom]
vi. 起泡沫;吐白沫;
n. 泡沫;泡沫材料，泡沫状物;
vt. 使起泡沫;使成泡沫状物;
🗣️ 情景例句
The smog in L.A. is caused by air pollution and water vapor.
洛杉矶的烟雾是由空气污染和水蒸气造成的。
The masses have boundless creative power.
群众有无尽的创造力。
As there are so many people about, the dogs have to be kept in a special enclosure.
由于来人太多，狗被关在专门的围栏里。