Backing material
[化] 基底材料\\n[医] 底料
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
material
[mə'tɪrɪəl]
n. 材料，原料;素材;布，织物;适当人选;
adj. 物质的;肉体的;重要的，决定性的;辩证的，推论的;
🗣️ 情景例句
I was teaching music,
我当时教音乐，
It is dogged (that) does it.
天下无难事，只怕有心人。
What did you say to him?
你对他怎么说的？