Echo-sounding
n. 回声测深
🧩 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”
sounding
['saundiŋ]
n. 探通术;
v. （使）发出声音，响( sound的现在分词 );发（音）;试探;探测;
🗣️ 情景例句
I made an appointment with the doctor at three.
我和医生约好3点钟看病。
Only fifteen minutes.
只要15分钟。
Her shopping had tired her and her basket ad grown heavier with every step of the way home.
去商店买东西把她搞得筋疲力尽；在回家的路上，她每走一步，就感到手里的篮子又重了一点。