Umbilical stalk
[医] 脐带
🧩 词语组成解析
a. 脐带的, 脐的, 近脐的, 关系密切的\\n[医] 脐的
stalk
[stɔk]
n. [植]茎，秆;叶柄，花梗;高视阔步;偷偷接近，潜随;
vt. 追踪，潜近;高视阔步;
vi. 高视阔步地走;潜近，偷偷接近;
🗣️ 情景例句
Typing is easy once you get the hang of it.
一旦你掌握诀窍，打字就很简单。
A thing is bigger for being shared.
插手人一多，事态就扩大。
Some years ago an American psychiatrist named William Dement published experiments dealing with the recording of eye-movements during sleep.
前些年，美国一位精神病学者发表了一篇报告，报告中记录了眼球在睡眠时的活动情况。