医生在检查中发现气管隆突有些肿胀。

The doctor noticed some swelling at the ___carinae during the examination.

鸟类学家注意到这种鸟类的龙骨异常强壮。

The ornithologist noted the unusually strong ___carinae in this bird species.

这种豆荚上的龙骨状突起是其重要特征。

The ___carinae on these pea pods are their most noticeable feature.