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
Kids today have too much freedom, it's not like the old days.
现在的小孩太自由了，不像以前。
Can Paul really suspect their stories are lies?
保罗真的在怀疑他们的故事是编造的吗？
George showed me to the guestroom which, he said, was rarely used.
乔治把我领进客房，说这间很少使用。