human butt
人的屁股
以上为机器翻译结果，长、整句建议使用 人工翻译 。
But although he discovered the cells in mouse embryos, human embryos have them too, and that is leading to trouble as the desires of researchers butt up against the fears of ethicists.
ECONOMIST: The 2007 Nobel science prizes
应用推荐
模块上移
模块下移
不移动