Desmodur r
[化] 德斯莫杜尔R
🧩 词语组成解析
聚氨基甲酸酯类粘结剂
🗣️ 情景例句
He worked his way through college.
他半工半读念完大学。
Things unreasonable are never durable.
不合理的事不会持久。
Hay had been cut and cowsheds had been cleaned.
干草已切好，牛棚也打扫干净了。