Reflection echo
[计] 反射回波
🧩 词语组成解析
echo
['ɛko]
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
They have to be here.
它们肯定就在这儿。
Let's hope for the best.
让我们往好处想吧。
Even this was remarkable, considering that she had had so many delays.
但考虑到路上的多次耽搁，这个成绩也已很不容易了。