Perfluorocyclopropane
全氟环丙烷
🗣️ 情景例句
But I'm bored.
但我感到无聊。
Money calls, but does not stay: It is round and rolls sway.
金钱会上门，不会留下来，因为是圆的，所以会滚开。
Some hotels supply boiled water on request and this can be used for drinking, or for brushing teeth.
有的酒店根据要求可提供开水，这些开水可用于饮用和刷牙。