🗣️ 情景例句
Come by one day and look at some of the other dogs.
有空来一趟，看看其他狗。
Scientists contribute to the well-being of mankind.
科学家为人类造福。
(remember how easily the Apollo astronauts bounded along),
还记得阿波罗飞船中的宇航员轻松地跳跃-