Limacon
[數(shù)]利瑪松, 蚶線, 蝸牛形曲線
??? 情景例句
How I envy you.
我真是羨慕你。
Beauty is potent,but money is more potent.
美貌固有力，金錢力更大。
Many of the tourists on board had begun bargaining with the tradesmen, but I decide not to buy anything until I had disembarked.
船上許多游客開始同商販討價(jià)還價(jià)起來，但我打定主意上岸之前什么也不買。