Well, the female's urine carries a critical chemical signal that works because it can pass through seawater and lobsters have a smell receptor that can detect and receive the message.

好吧，雌性的尿液携带着一种重要的化学信号， 这种信号之所以起作用， 是因为它可以通过海水， 而龙虾有一种可以检测和接收信息的气味感受器。