Boron polymer
[机] 硼聚合物
🧩 词语组成解析
boron
[['bɔ:rɔn]]
n. 硼\\n[化] 硼B
🗣️ 情景例句
Everyone has a skeleton in his closet.
人人都有不可告人之事。
If he doesn't help him, I will.
如果他不，我将帮助他。
John asked Grace to marry him，
约翰向格雷斯求婚。