Postcardinal veins
[医] 后主静脉(胚)
🧩 词语组成解析
[医] 后主静脉的
n. 纹理；静脉（vein的复数）
🗣️ 情景例句
Look, can you handle this job or not?
考虑一下，你是否能胜任这份工作？
The noisy fowler catches no bird.
捕禽人大肆声张，鸟儿就不会落网。
Have you received a letter from Jim yet?
你收到了吉姆的来信没有？