Pre-echo
n. 1.前回声 2.预兆, 预示
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
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
All I need is some paint and a canvas, and I'm happy.
我只想要一些颜料和画布，这样我就会很满足。
Do you have any rooms?
你有房间吗？
They had to edge their way along this, sometimes wading across shallow streams, or swimming across deep pools.
他们不得不侧着身子往前走，有时过浅溪，有时游过深潭。