Arogel
(一种美国生产的)变性淀粉
🗣️ 情景例句
It's a safe bet that he'll get the job.
他能得到那份工作，这几乎可以打保票。
When is he expected to be back?
他什么时候回来？
What was the population of the less developed countries in 1950?
1950年不太发达国家的人口是多少？