doubled up

同根派生

英汉例句

• The old couple doubled up with laughter.
  老两口笑得直不起腰来。
• He doubled up when he was struck in the belly.
  他的肚子被击中时，他痛得蹲了下来。
• They have to doubled up.
  他们只得同住一屋。
• He doubled up in pain.
  他疼得弯下了腰。