fruitless

/'fru:tlis/ uk　 词频 #15518

托福 TOEFL英语专业八级英语专业四级

fruitless 是什么意思

中文释义

a. 不结果的, 不长果实的, 无子的

英文释义

s unproductive of success

fruitless 的真实例句

以下例句摘自真实英文文章，看看 fruitless 在自然语境里怎么用：

As these are usually fruitless, the concept of "core sleep" or "recovery sleep" comes into consideration.

—— Good Sleep, Good Learning (2012)

On one of their family outings, when the twins were 10 years old, Taylor grew bored after many hours of fruitless searching.

—— An asteroid extinguished all the dinosaurs except for birds. Here’s why

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