Sentinel glands
[医] 警戒[淋巴]结
🧩 词语组成解析
sentinel
['sentinl]
n. 岗哨，哨兵;
n. 腺体（gland的复数）；气封
🗣️ 情景例句
The little boy held his mother's hand firmly when crossing the street.
那小男孩过马路时紧抓着母亲的手。
Payday is here again.
又到了领薪水的日子了。
Thus one simple fact, a change in the number of bison, had an effect on the whole wildlife chain of the plains.
因此，出现了这样一个简单的事实--野牛数目换的变化对平原的整个野生生物链都产生了影响。