Spermatozoa insemination methods
[医] 人工授精法(治不育)
🧩 词语组成解析
n. 方法, 方式;研究方法(method的复数)
🗣️ 情景例句
Sorry about the inconvenience.
对不起添麻烦了。
Everybody's business is nobody's business.
人人都管,大家不管。
In 1929, three years after his flight over the North Pole, the American explorer, R.E.Byrd, successfully flew over the South Pole for the first time.
美国探险家 R。伯德在飞越北极3年之后,于1929年第一次飞越了南极。
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