Backing weld(ing)
[化] 打底焊
🧩 词语组成解析
backing
[['bækiŋ]]
n. 后退, 衬背, 后援, 支持者\\n[化] 衬垫
🗣️ 情景例句
The old library building on Chestnut Street,
Chestnut街老图书馆，
I was about to leave.
我正要出门。
They had laboured for three years to produce this floating work of art;
瑞典人辛辛苦苦干了3年才建成这件水上艺术品，