🧩 词语组成解析
bank
[bæŋk]
n. 银行;（条形的）堆;（河的）岸;库存;
vt.& vi. 堆积;筑（堤）;将（钱）存入银行;
vi. （转弯时）倾斜飞行;（在某银行）开账户，存款;
vt. （用煤等）封炉火;
bank=bench长椅→由柜台转化而来 → 银行
guard
[ɡɑrd]
n. 警卫;狱吏，看守;护卫队;防护装置;
vt. 保卫，守护;看守;加防护装置;谨慎使用;
vi. 警惕;警卫;
🗣️ 情景例句
saying he was going to the railroad station
说他要去火车站
Observation is the best teacher.
观察为良师。
He agreed that a train did come into the station at the time on the paper and that it did stop, but only to take on mail, not passengers.
搬运工说，正如纸条所说，确有一趟火车在那个时刻到站，但它只停站装邮件，不载旅客。