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
Come on, you big guy.
过来， 你这个好小子。
Happy is he who knows his follies in his youth.
记得青年时所做的愚笨事的人是幸福的。
The instrument was bought by my grandfather many years ago.
是我祖父在很多年以前买的。