We didn't burden him with any social symbolism, we made him no mouthpiece for frustrations or harsh satire.
但我们不想给他附加更多的社会意义，他无须与挫折或尖锐的讽刺沾边。
2
Because your tongue is blocking the holes, your lips can create much higher pressure on the mouthpiece, and as a result there is higher pressure inside your mouth cavity.
因为你的舌头是盖住琴孔的，你的嘴唇可以在吹嘴上施以更大的压力，所以在口腔内的也会获得更大的压力。
3
Having discovered that the mouthpiece in his family's new telephone worked by vibration, as did the speaker in their radio, Les carted both components to the barbeque stand.