The bone measured 15cm across, making it the largest of any pliosaur known, and twice the size of the same bone in T. rex.

这片骨测得宽为15厘米，是所知的上龙中最大的，比霸王龙的大一倍。

youdao

Conclusions The largest contributors to overall cost were implants (29%), intensive care unit and inpatient room costs (22%), operating room time (9.9%), and bone grafts (6%).

结论：总成本的最大组成部分是植入物，占29%，重症监护病房和住院病房成本占22%，手术室占9.9%，骨移植占6%。

youdao

One group of whales has, instead of teeth, long strips of bone, hanging from their upper jaw. This is the baleen whale, the largest animal in the world.

有一类鲸鱼，用从上额骨垂下来的长条状的骨头代替牙齿，它就是须鲸，是世界上最大的动物。

youdao

This might be one reason why India, the world's second-largest nation, has a bone marrow registry of 39, 000 people, according to DATRI, a nonprofit organization which drives and maintains registries worldwide.

CNN: My mom needs you: Nalini's story