发出声音的

"Morning," I replied but it only came out as a mumble.

"早上好！"我回答，但是发出来的只是嘟嘟囔囔的声音。

He scratched his head and looked desperately around for some help, but the people behind the counter both shrugged and shook their heads. Just as I was about to say "Never mind," he started making a "quack-quack" sound while shaking his hips.

他挠挠脑袋，环顾四周，急切地寻求帮助，但是柜台后面的人们耸耸肩，摇摇头，就在我刚想说"不必介意"时，他开始晃着屁股，并且发出"嘎嘎"的声音———鸭子！

He scratched his head and looked desperatelyaround forsome help, but the people behind the counter bothshrugged andshook their heads. Just as I was about to say Nevermind, hestarted making a quack-quack sound while shaking hiships.

他挠挠脑袋，环顾四周，急切地寻求帮助，但是柜台后面的人们耸耸肩，摇摇头，就在我刚想说"不必介意"时，他开始晃着屁股，并且发出"嘎嘎"的声音———鸭子！

To make a harsh rasping sound by or as if by scraping or grinding.

磨擦而出声通过或类似通过刮削或磨擦发出吱吱的，刺耳的声音

Mount Redoubt continues to rumble and simmer , prompting geologists to say this Alaska volcano could erupt within days.

Redoubt山山底持续沸腾并发出低沉的声音，使地质学家认为这座阿拉斯加的火山将在几天内爆发。

Make a high-pitched, screeching noise, as of a door.

发出高声的尖锐的声音，比如一扇门。

"No, no, no! That's a snake."Mum doesn't look a bit like this. She doesn't slither about and hiss. She doesn't curl round a nest of eggs.

不，不，不，那是条蛇，我妈看起来一点都不像它，她不会这样滑行和发出嘶嘶的声音，她不会这样缠绕一窝的蛋。

A device that makes a loud warning sound.

发出大的警告声音的装置。

Rather than vocalize a rumble to send an urgent message or a warning that must reach for miles.

而不是发出低沉的声音以发送必须远达数英里的紧急消息或警告。

Give voice to the voiceless; official and unofficial sources of information can be equally valid.

让无声的人们发出声音，官方信息和非官方的信息被以同样价值对待。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。