词族 · sterility
词形变化
派生词
英语词源
- sterility (n.)
- early 15c., from Middle French sterilite, from Latin sterilitatem (nominative sterilitas) "unfruitfulness, barrenness," from sterilis (see sterile).
权威例句
- 1. This disease causes sterility in both males and females.
- 该病会导致男女不孕不育。
- 2. A temperature of 121� � C is regarded as the minimum necessary to achieve sterility.
- 一般认为要做到无菌,温度起码必须达到121摄氏度.
- 3. A major barrier to interspecific hybridization is sterility in the F 1 progeny.
- 种间杂交的主要障碍是F1代的不育性.
- 4. Sterility is some permanent factor preventing procreation.
- 不育是阻碍生殖的一种永久性因素.
- 5. It has been known that the self - sterility of conifers results from embryo collapse after self - fertilization.
- 业已知道,针叶树自花不育是由于自花受精后胚凋萎.