常見例句Ida is female because she doesn't have a baculum, or penis bone. 愛達是雌性,因為她沒有陰莖骨。The exine of all species can be distinguished by itstectum, baculum and foot-layer. 透射電鏡下觀察,5種植物花粉外壁均可分為覆蓋層、柱狀層和基層。The study shows a connection between OHC levels and reduced size of the uterus in female bears and reduced size of the testis and baculum in males. 這項研究顯示,OHC濃度與母熊子宮及公熊的睪丸和陰莖骨變小有關。A large baculum, or penis, is critical for successful mating in an arctic climate, the researchers note, and even slight decreases may interfere with reproduction. 研究人員指出,一個大陰莖骨(或陰莖),對于要在北極天候下成功交配而言至關重要,即使微幅變小都可能妨礙到繁殖功能。A positive relationship between baculum length and prolonged intromission patterns in mammals 哺乳動物陰莖骨長度與延長性插入模式之間存在正相關的關系infrategillar baculum 被層下柱, 被層下棒 返回 baculum