stupid
adj.笨的
She always believes that there are no stupid children in the world.
她總是相信世界上沒有笨小孩
subject
n.科目
There are many subjects available for students to study in University.
在大學裡有許多課目提供學生選修
Substance
n.物質
Water is an invaluable substance because it sustains life.
水是寶貴的物質，因為它維持生命
substitute
n.代替
Honey can be a substitute for sugar in many recipes.
在很多食譜裡蜂蜜可以代替糖
succed
v.成功
It is hard to succeed at any study if one does not have proper guidance.
如果沒有適當的引導任何研究都很難成功
such
adj.如此的
Einstein was such a smart man.
愛因斯坦是如此聰明的人
sudden
adj.突然
The sudden changes in the weather have been attributed to global warming
天氣突然變化是歸因於全球暖化
suffer
v.遭受
Isabella suffered greatly, but she is now recovering from the accident.
伊莎貝拉在意外中遭受極大的痛苦，但她現在正恢復中
sugar n.糖
Sugar is used to sweeten all kinds of food products.
糖被用來增加任何產品的甜度
suggest
v.建議
What do you suggest I do?
你建議該怎麼做呢?