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
Television is the most powerful tool of persuasion that man has ever created.
电视是人类所创造的最有威力的游说工具。
Great winds blow upon high hills.
树大招风。
Let me pick it up for you.
我替你捡起来吧。