distress sign造句怎么写

The lungs develop very early in this species; tadpoles that are just three days old are capable of emitting loud distress signals.

Functional and in bright light, low light, strobe, SOS distress signal in the recycling.

South Korean naval destroyer had raced to the ship's aid after it sent a distress signal.

The direct cause is a chemical distress signal produced in skin that is damaged by another hazard of modern life: eczema.

Conway flashed a distress signal with his pocket light.

The plant will pick up the tree's distress signals and the polygraph will record its sympathetic response.

That's what enabled you to pick up the willow's distress signals?

Hatta Radjasa said a distress signal had been picked up over central Sulawesi and that emergency crews were on their way to search for survivors.