futile

futile的英语例句

1. They were killed, to the last man, in a futile attack.

   因为进攻失败,他们全部被杀, 无一幸免.

2. Their efforts to revive him were futile.

   他们对他抢救无效.

3. Without microscopes and other modern equipment, attempts to teach science were futile.

   没有显微镜及其他现代化的设备, 想教授自然科学是不会有成果的.