Retrosternal
a. [解][医]胸骨后的
🗣️ 情景例句
No, let's wait till Robbie gets back from the airport.
不要。我们等Robbie从机场回来吧。
The post office is in the middle of the block, You can't miss it.
那邮局就在街区的中间，很好找。
Up to now, historians have assumed that calendars came into being with the advent of agriculture, for then man was faced with a real need to understand something about the seasons.
历史学家迄今认为日历是随农业的问世而出现的，因为当时人们面临着了解四季的实际需要，