Be characteristic of
成人 Adult Edu具有...的特性, 为...所特有
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
characteristic
[,kærəktə'rɪstɪk]
adj. 特有的;独特的;表示特性的;显示…的特征的;
n. 特性，特征，特色，[数]（对数的）首数;独特性;性质;
character性格，品质+istic表形容词 →表示特性的
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];
🗣️ 情景例句
I mean, there seems to be something to celebrate all the year round.
我的意思是，好像一年到头都要忙着庆祝似的。
Martha will expect you to come by at six o'clock for dinner.
玛莎以为你在六点以前会来吃晚饭。
I realized sadly that I had been completely defeated by their ingenuity.
我懊丧地感到败在了足智多谋的蚂蚁的手下。