Heneicosane
[机] 二十烷
🗣️ 情景例句
The school was attended almost entirely by local children.
上这所学校念书的几乎全是当地的孩子。
Let me put it this way.
让我这么说吧。
It was noticed that there were no signs or warnings on the supply lines that ran round the port.
人们这才注意到，铺设在码头周围的供应管道上没有贴标签或告示。