🧩 词语组成解析
sales
[[seilz]]
a. 销售的\\n[计] 销售
demonstrator
[['demənstreitə]]
n. 论证者, 证明者, 指示者, 示威者\\n[医] 示教者
🗣️ 情景例句
Have you ever been to a buffet dinner?
你去吃过自助餐吗？
This lady is a rent collector.
这位女士是收租人。
It did not take the firefighters long to put out the fire, and they at once started to look for causes of the fire.
消防队员没花多时间就把大火扑灭了，他们马上开始调查火灾发生的原因。