Limacon
[数]利玛松, 蚶线, 蜗牛形曲线
🗣️ 情景例句
If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病，他们就能够保护好他们自己，从而阻止疾病的传播。
I was little ill at ease.
我有点不自在。
May I come in, please? I'm sorry I'm late.
我可以进来吗？对不起，我迟到了。