🧩 词语组成解析
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;
hound
[haʊnd]
n. 猎狗，猎犬;卑劣的人;[动]角鲨，星鲨，弓鳍鱼;有…迷[瘾]的人;
vt. 追猎;不断侵扰，烦扰;激励;嗾使，煽动;
🗣️ 情景例句
Where do I sign this?
我签在哪里？
How's your niece?
你的侄儿好吗？
Since that time, various types of hovercraft have appeared and taken up regular service.
从那以后，各种各样的气垫船出现了，并开始了定期航行服务。