他注意到，直接用手调节收音机的旋钮来调整声音要比按住专用按钮再说“收音机——调大音量”要来得快得多。

It is much quicker to turn up the radio's volume control by hand than it is to press a special button and say "radio-raise volume," he notes.

youdao

他注意到，直接用手调节收音机的旋钮来调整声音要比按住专用按钮再说“收音机——调大音量”要来得快得多。

It is much quicker to turn up the radio's volume control by hand than it is to press a special button and say "radio-raise volume," he notes.

youdao