71 The Sound of Drums-Mid

The Sound of Drums FOCUS Question How do drums make different sounds?

鼓的声音焦点问题鼓如何发出不同的声音?

Hit That Drum! Drums are fun to play! Most drums are round. Many of them have a drumhead over one of the open ends. The drumhead is the part you hit.

敲鼓!打鼓很有趣!大多数鼓是圆的。 他们中的许多人在一个开放的一端有一个鼓面。 鼓面是你击打的部分。

Hit the drumhead Bang! It vibrates. This means it moves back and forth very fast. The drumhead makes the air vibrate. The vibration moves through the air. It hits our ears. We hear sound! Think About It Why do you think the drumhead was given that name?

敲鼓，砰!振动。 这意味着它来回移动得非常快。 鼓面使空气震动。 振动在空气中传播。 它击中了我们的耳朵。我们听到了声音!你觉得为什么鼓面会取这个名字?

Hands, Sticks, or Feet People hit drums with their hands or with sticks. Some people even play drums with their feet! Hit the drum hard to make a loud sound. Hit the drum softly to make a quiet sound.

手、棍子或脚人们用手或棍子敲鼓。 有些人甚至用脚打鼓!用力敲鼓，发出响亮的声音。 轻轻地敲鼓，发出安静的声音。

Tight or Loose Tight drumheads make high sounds. Bing! Loose drumheads make low sounds. Bong! Some drums have parts called rods. You can turn them to make the drumhead tight or loose. Wowser! People once used horses to pull the drumheads of large kettledrums tight.

紧或松紧的鼓面发出很高的声音。 必应(Bing) !松散的鼓面发出低沉的声音。 Bong !有些鼓的部件叫做鼓棒。 你可以转动它们使鼓面变紧或变松。 老古板!人们曾经用马把大壶鼓的鼓面拉紧。

Sizing Up Drums Large drumheads make low sounds. They vibrate a little slower. Boom! A large drum has a lot of air inside. The sound has room to bounce around inside the drum. This makes a large drum loud. Be Safe! Loud sounds can hurt your ears. Use earplugs to protect your hearing.

大鼓面发出低沉的声音。 它们振动得慢一点。 繁荣!一个大鼓里面有很多空气。 声音在鼓里有回旋的空间。 这会使大鼓发出很大的声音。 是安全的!巨大的声音会伤害你的耳朵。 使用耳塞来保护你的听力。