Mesocolon descendens
[医] 降结肠系膜
🧩 词语组成解析
n. [解]结肠系膜
[医] 下行的, 降的
🗣️ 情景例句
I'll have vanilla.
我要香草的。
Would you mind closing the window for me?
能帮我关一下窗户吗？（你介意关下窗户吗？）
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长