🧩 词语组成解析
participant
[pɑr'tɪsəpənt]
n. 参加者，参与者;与会代表;参与国;关系者;
adj. 参加的;有关系的;
parti准备+cip拿，抓，握住+ant名词后缀，表示人 → 参与者
role
[rol]
n. 作用;地位;角色;
🗣️ 情景例句
I need those potatoes peeled and sliced.
那些马铃薯需要剥皮和切片。
He's Bob.
他是鲍勃。
She instructed in her will that if that were to happen, all the money should go to an organization for helping the blind called Helping Hand.
于是她在遗嘱中指示如果此事发生，这笔钱应该全部捐献给一个名叫'援助之手'的盲人救济组织。