Dog-walker
遛狗的人
🧩 词语组成解析
dog
[dɔɡ]
n. 狗;蹩脚货;丑女人;卑鄙小人;
v. 困扰;跟踪;
walker
['wɔ:kə]
n. 散步的人;（帮助小孩学走路用的）学步车;助步车;助行架;
🗣️ 情景例句
Help me with them, Marilyn.
帮我戴上， Marilyn。
He learns Spanish every day.
他每天都学西班牙语。
and by measuring the time interval between the taps and the receipt of the echoes, the depth of the sea at that point can be calculated.
测出回声间隔的时间，便可算出该处海洋的深度。