Ridel-walker test
[机] 里迪尔-沃克试验
🧩 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;
🗣️ 情景例句
You messed up.
你办砸了。
They jumped at the unexpected noise.
他们因突如其来的声音吓得跳了起来。
While the battered car was moving away, Roy stopped his bus and telephoned the police.
当那辆被撞坏的车开走后，罗伊停下车，给警察挂了电话。