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
You're going to have the time of your lives.
你们将会玩得非常痛快。
Short accounts make long friends.
帐算清，交情深。
The officer unscrewed the cap and put the bottle to his nostrils.
海关官员拧开瓶盖，把瓶子放到鼻子底下。