The creature was foaming at the mouth.

这家伙在口吐白沫。

《牛津词典》

And be familiar with the signs of fatigue or heat illness, which include panting, slowing down, foaming at the mouth, weakness, inability to stand, uncontrolled movement, agitation and glazed eyes.

同时你还要熟悉（狗狗）那些劳累和中暑的征兆包括：喘气、跑不动了、口吐白沫、虚弱、站不稳、动作不受控、躁动不安、眼睛呆滞无神。

youdao

His horses were foaming at the mouth, and there was dust on his gament.

他的驾车的马，嘴里喷着白沫，他的衣袍上蒙着尘土。

youdao

"We have reports of deer foaming at the mouth and panting as they cross bodies of water, " said Gast.

CNN: Wildlife rush for high ground in flood areas

Speaking at a security conference in Jerusalem, Brigadier General Itai Brun cited photographs of victims foaming at the mouth and with constricted pupils and other unspecified symptoms.

BBC: US has 'some confidence' Syria used chemical weapons

But if Wagoner is right, and consumers are still foaming at the mouth for new SUVs, next year and 2007 could bring a dramatic turnaround to GM and save Wagoner's career.

FORBES: To SUV Or Not To SUV