S.d.a.
[医] 特殊动力作用, 右骶前(胎位)
🗣️ 情景例句
That's beautiful!
太完美了，真棒！
I tried calling you several times yesterday but I couldn't get through.
我昨天给你打了几次电话，但都没有打通。
She arrived in England a week after the Thermopylae.
它抵达英国时比“塞姆皮雷”号晚了1个星期。