Some of his jokes were a bit near the bone.

他的有些笑话近乎下流。

His speech in reply to the toast was quite witty and entertaining, but parts of it were a bit near the bone.

他的 祝酒词十分机智有趣，不过其中也有些不登大雅之堂的话。

Strontium-90 mainly enters the body through food and water, and its ingestion has been linked to bone cancer, cancer of the soft tissue near the bone, and leukemia.

锶- 90主要通过食物和水进入人体，摄入锶- 90会导致骨癌(骨骼附近软组织的癌症)和白血病。

Perhaps because of its role in calcium absorption, high-dose vitamin D did appear to help maintain bone density at the neck of the femur, the top of the thighbone near the hip joint.

也许是因为它促进钙质吸收的作用，高剂量维生素D确实显示出有助于维持股骨颈（靠近髋关节的大腿骨顶部）的骨密度。

Unlike that benignly daft creature, this real-life surgeonfish in Indonesia carries a sharp retractable blade of bone near the base of its tail.

跟那只疯疯癫癫的亲切生物不同，印度尼西亚的这只正牌医生鱼在尾巴附近有一片能伸缩的锋利骨片。