Hmmm
abbr. 六甲氧基甲基三聚氰胺；氨基树脂
🗣️ 情景例句
Eight straight-back chairs. Thirty folding chairs.
八张直背椅。三十张折摺椅。
Yes, she's free then.
可以，她那时有空。
When you have finished the letter, you make any changes you wish, check it and print it.
当你打完信件，你可以随意修改、检查，然后打印。