(noun.) descent of the uterus into the pelvic cavity that occurs late in pregnancy; the fetus is said to have dropped.
埃塞雷德编辑
双语例句
With a strong taste for mechanics it was natural that he should wonder if there were not some way of lightening the burden of so much needlework. 鲁伯特·萨金特·荷兰.历史性发明.
I suppose,' he said, taking one up to eye it closely, 'you haven't been lightening any of these; but it's a trade of your people's, you know. 查尔斯·狄更斯.我们共同的朋友.
Again she felt the lightening of her load, and with it the release of repressed activities. 伊迪丝·华顿.快乐之家.