基本解释氧化毒素同根派生 英汉例句Method 98 pregnant women with single pregnant、vertex present were randomized into mifepristone combined with oxytoxin group (A group) and oxytoxin group (B group). 方法将98例具有引产指征的单胎、头位初产妇随机分为米非司酮与催产素联合应用组(A组)和单用催产素组(B组)。