🧩 词语组成解析
cluster
['klʌstɚ]
n. 丛;簇，串;群;[语言]辅音群;
vi. 丛生;群聚;
vt. 使密集，使聚集;
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];
differentiation
[[ˌdifərenʃi'eiʃən]]
n. 区别, 分化, 变异\\n[医] 鉴别, 区别, 分化[作用], 微分法
🗣️ 情景例句
I've been having a hard time keeping my eyes open
我一直挣扎着要让双眼睁开
He has gone to America.
他去美国了。[动作结束后的结果持续至今]
Only two stray dogs benefited from all this confusion, for they greedily devoured what was left of the cake.
只有两只野狗从这一片混乱中得到好处，它们贪婪地吃掉了剩下的蛋糕。