管理员摘要：
例句： His aim was to become president. 他的目的`是当总统。 We aim to help the poorest families. 我们的目标是接济最贫困的家庭。 Draughts help to circulate air. 通风有助于循环空气。 Loud screams rent the air. 高声的尖叫划破了天空……
例句：
His aim was to become president.
他的目的`是当总统。
We aim to help the poorest families.
我们的目标是接济最贫困的家庭。
Draughts help to circulate air.
通风有助于循环空气。
Loud screams rent the air.
高声的尖叫划破了天空。
His hands clawed the air.
他的双手在空中乱抓。