Embryonic circuiation
[医] 胚循环
🧩 词语组成解析
[医] 循环
🗣️ 情景例句
How's your mental health?
你的精神状态怎么样？
If you want a thing (well) done, do it yourself.
要想做好事情，就要自己动手。
but few us have had the opportunity to find out.
但很少有人能有机会去弄个究竟。