Chadwick's sign
[医] 查德韦克氏征(妊娠四月后,尿道口下方的阴道粘膜出现紫色斑点)
🧩 词语组成解析
🗣️ 情景例句
Let's go for lunch. I'm buying.
去吃午饭吧， 我请客。
Where might is master, justice is servant.
有强权，就没有正义。
It's about four hundred yards down this street.
城堡就在这条街上，（离这儿）400码左右。