1. The hot spots and their volcanic trails are milestones that mark the passage of the plates. 热点和它们的火山痕迹是标志板块移动的里程碑。
2. Air Chief Marshal Glenn Torpy told the graduates, "This is probably one of the most significant milestones in an aviator's career." 空军上将 Marshal Glenn Torpy 告诉毕业生,“这可能是飞行员职业生涯中最重要的里程碑之一。”
3. Photography was once an expensive, laborious ordeal reserved for life's greatest milestones. 摄影曾经是一件昂贵且耗时费力的事情,仅用于记录生命中的重大事件。
4. Clarify important milestones. 阐明重要里程碑。
5. Milestones can be set for an event. 可以为一个事件设置多个里程碑。