S.d.a.
[医] 特殊动力作用, 右骶前(胎位)
🗣️ 情景例句
about leaving New York, the family, and friends.
对于离开纽约， 家人和朋友。
Were it left to me to decide whether we should have a city without bikes or one without cars.
如果让我来决定我们要一个没有自行车的城市，还是要一个没的汽车的城市。
'I was in my office as usual,' answered the Ambassador.
“我和往常一样，在办公室里，”大使回答说。