Echo contour
[电] 回波等强线
🧩 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”
contour
['kɔntuə]
n. 外形，轮廓;（地图上表示相同海拔各点的）等高线;概要;电路;
vt. 画轮廓（等高线）;
adj. 显示轮廓的;
🗣️ 情景例句
If you go camping, at night you'll hear all the nocturnal animals.
如果你去野营，晚上可以听到动物的夜歌。
Thank you but this is something I have to solve by myself.
但有些事情我必须自己解决。
My teacher never spoke English like that! The porter and I looked at each other and smiled.
我的老师从来不那样讲英语！我和搬运工相视一笑。