钟摆 (zhōng bǎi) — 振り子

定義

例文

• 老式挂钟的钟摆左右摆动。
  Lǎo shì guà zhōng de zhōng bǎi zuǒ yòu bǎi dòng.
  The pendulum of an old wall clock swings left and right.
• 这个钟摆是用金属做的。
  Zhè ge zhōng bǎi shì yòng jīn shǔ zuò de.
  This pendulum is made of metal.
• 钟表匠仔细调整了钟摆的长度。
  Zhōng biǎo jiàng zǐ xì tiáo zhěng le zhōng bǎi de cháng dù.
  The clockmaker carefully adjusted the length of the pendulum.