交叉型实验 cross experiment: 杂交试验cross over: 从一边到另一边; 渡线; 横渡; 换手运球; 交叉点; 交叉污染; 交叠点; 双重卷边迭接部; 压步cross breeding experiment: 杂交繁殖实验cross fostering experiment: 交换养育实验cross-sea experiment: 短峰波试验下载手机词典可随时随地查词查翻译