它们会行进得很慢，尽量不发出噪音，”他说。

They tend to go around very slowly and not make much noise, " he said.

youdao

大厅中的观众都已经承诺保持沉默，即不欢呼，不鼓掌，不发出任何形式的噪音。除了现在——让我们欢迎议员奥巴马和麦凯恩。

The audience here in the hall has promised to remain silent, no cheers, no applause, no noise of any kind, except right now, as we welcome Senators Obama and McCain.

youdao

这些形容词意味着没有或不发出声音、噪音或不移动或有其特点。

These adjectives mean marked by or making no sound, noise, or movement.

youdao