He is ever so diligent.

He is diligent in his studies.

他学习勤奋.

She is diligent and keeps herself busy all the time.

她真勤快,一会儿也不闲着.

He is diligent rain or shine he does.

他无论干什么都很勤奋.

He is diligent in whatever he does.

他无论做什么都很勤奋.

Diligent students occasionally fail this subject.

9.occasionally adv.偶尔，间或用功的学生在这门功课上偶尔也不及格。

He made a diligent attempt to learn russian.

他勤奋的学习俄语。

He is the more diligent of the two boys.

他是这两个男孩中较用功的一个.

A spotless stove told us that his mother is a diligent housekeeper.

炉子清洁无瑕就表明他母亲是个勤劳的主妇.

He was careful and diligent. I was all over the place.

他细心且勤奋，我则稀里糊涂。

The historical research was impressively diligent.

该项历史研究非常地认真、彻底。

Blending technology of Australian medium wools and fine denier polyester fibers is researched in worsted system.

摘要研究澳大利亚半细羊毛和细旦涤纶纤维混纺工艺技术.

The market eased again on Thursday, with medium and broader wools the least affected.

到周四市场再次下跌, 对羊毛市场产生了不小的影响.

The qualities of different wools vary greatly.

不同品种的羊毛在质量上存在较大的差异.

It is natural for ducks to swim.

鸭子会游泳是天生的.

Some practice in the deft use of words may well be ancillaryto the study of natural science.

熟练使用文字的练习对于自然科学的研究也是有帮助的.

Poor food arrests the natural growth of children.

粗劣的食物妨碍儿童的发育.

They have compiled a collection of Elementary Readings on the Natural Scieces to help young people in their studies.

为了便于青少年学习,他们编了一套《自然科学小丛书》.

She sings with a natural voice.

她唱歌的嗓音很自然.

There is nothing more natural than a child's belief in his parents.

没有任何事情比孩子对他父母的信赖更为自然.

Leaving some fields fallow provided a natural check on insect populations.

让一些土地休耕是自然控制昆虫数量的办法.