[医] 自发流产, 自然流产

词型变化：名词复数形式 : spontaneous abortions

spontaneous abortion的用法和样例：

例句

In California, female sea lions are spontaneously aborting their fetuses.在加利福尼亚，雌海豹正自发流产它们的胎儿。
Across the U.S., female animals exposed to toxic chemicals are suffering from a flurry of health problems, from shrunken oaries to spontaneous abortions.在美国，与有毒化学物质接触的雌性动物正遭受许多健康问题，从卵巢萎缩到自发流产。

【近义词】

stillbirth死产
miscarriage流产

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