One of the greatest breakthroughs for professional women came in 1973 when the field of banking opened up for them.

The flower bud of a water lily 百合 opens at sunset since .its opening is triggered(commence) .by the decreased light.

By the nineteenth century, embroidery on men's clothing had virtually disappeared except for the occasional decorative vest and tie.

Formerly , in the United States, many nurses worked as private duty nurses rather than in hospitals.

Eyespots,themostrudimentaryeyes,arefoundinprotozoan原生动物flagellates鞭毛虫,flatworms扁形虫,andsegmentedworms片段蠕虫.