您要查找的是不是：
- a single codominant gene pair 单个的等优势基因时
- codominant gene pair 等优势基因对
- A single lens in a pair of glasses; a monocle. 单片眼镜一对眼镜片中的一个单透镜；单片眼镜
- The female pore, are most commonly a single pair. 雌孔大多是一对。
- The letter was written on a single sheet of paper. 这封信只用一张纸写成。
- A single lensin a pair of glasses; a monocle. 单片眼镜一对眼镜片中的一个单透镜;单片眼镜。
- A single lens in a pair of glasses;a monocle. 单片眼镜一对眼镜片中的一个单透镜;单片眼镜
- He got over the stream with a single leap. 他一跃就跳过了小溪。
- A single gene may have many effects. 单一基因可能具有很多种效应。
- The bridge crosses the river in a single span. 河上那座桥是单跨桥。
- Do you want a single or a return ticket? 你要单程票还是往返票?
- The huntsman fired a single shot at the lion and settled its hash. 猎人朝那只狮子开了一枪，把它打死了。
- She wore a single orchid on her evening dress. 她在晚礼服上缀着一朵兰花。
- One of four offspring born in a single birth. 四胞胎之一一胎出生的四个孩子中的一个
- A single grain of a cereal plant. 谷粒禾谷类作物的一个颗粒
- A single room with a bath, if possible. 如果可能，要一间带浴室的单人房。
- Do you want a single room or a double room? 您要单人房还是双人房？
- Producing two offspring in a single birth. 一产双胎的一次生产中生下两个子女
- Delay is not permissible, even for a single day. 不得延误，即使一日亦不可。
- He blew out three candles with a single puff. 他一口气吹灭了三根蜡烛。
