Polyester backing
[电] 多元酯支背
🧩 词语组成解析
polyester
[['pɔliestə, ˌpɔli'estə]]
n. 聚酯\\n[化] 聚酯
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
And my grandfather.
还有我祖父。
Our packing charge includes $1 for the drum, which sum will be credited on return.
包装费中有1美元是包装桶的费用，此费用在桶还给我们时可退回。
we'll be poor again.What'll we do then?
我们又会变穷的。那时我们怎么办呢？