Transverse folds of rectum
[医] 直肠横襞
🧩 词语组成解析
n. 皱褶；折痕（fold的复数形式）
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
rectum
['rektəm]
n. 直肠;
🗣️ 情景例句
It's nice meeting you.
很高兴认识你。
He who has lost shame is lost to all virtue.
没有廉耻心，没有好德行。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。