Spirane structure
[化] 螺环结构; 螺旋结构
🧩 词语组成解析
螺烷
🗣️ 情景例句
Today, trade imbalance between the United States and our country is becoming worse.
当前美国与我国间的贸易不平衡问题正日益恶化。
What size shoes do you wear?
你穿的鞋子是什么尺寸的？
He will take part in an important race across the Atlantic.
他将参加一次重大的横渡大西洋的比赛。