n. 回声,共鸣;(言语、作风、思想等的)重复;重复者;[无线电]回波;
vt. 重复,效仿;随声附和;类似;发射(声音等);
vi. 被重复;产生回响;充满回声;
echo-, ech- 表示”声音 ,噪音”;特备是”回声”;”重复,模仿”
🗣️ 情景例句
I'm not only willing to help, I'm willing and able.
我不但示意帮忙,而且能够帮上忙。
To know one's self is true progress.
能有自知之明就是真正的进步。
He passed his exams, and even better, when he left university he had earned enough money to start his own business, offering guide services to tourists.