Retrocervical
[医] 子宫颈后的
🗣️ 情景例句
Oh!
噢！
Life is half spent before we know what it is.
等到认识人生，已经一半过去了。
and then generalized the results of his many experiments into the famous law of free fall.
然后将多次实验结果概括成著名的自由落体定律的人。