Rhein
n. [化] 大黃酸
??? 情景例句
This would be a wonderful way to accomplish that.
這倒是達到這個目的的絕佳辦法。
You have to study English, don't you?
你必須學英語，不是嗎？
Reward or punishment are meted out quite independent of human interference.
獎懲的實施是不受人意志支配的。