The microcracks can be caused by friction, mechanical treatment, thermoelastic forces, etc.

Global warming per se is not really the problem; the catastrophic climate changes which might be caused by it are.

全球变暖本身并不是真正的问题；可能由它引发的灾害性天气变化才是问题所在。

The child's headache may be caused by stress.

那孩子的头痛可能是紧张引起的.

Brain lesions can be caused by bacterial infections.

大脑损伤可能由细菌感染引起.

Roughness of the skin can be caused by bad diet.

饮食不好可能引起皮肤粗糙.

Be cautious of thieves!

提防扒手!

There is only of the universe you be certain of impeovingand that is you own self.

宇宙只有一介之地你肯定可以改善那就是你自己.

Can you ask for fruit at breakfast and be certain of the result?

你能在早餐要求水果并且确定结果 吗 ?

You must be certain of your facts before you start flinging accusations ( around ) ( at people ).

必须对实情胸有成竹才能理直气壮地 ( 到处 ) 指责 ( 别人 ).

If you to be certain of seeing play in London, you to book your seat advance.

如果你想确定的看到在伦敦的剧场, 你必须提前预订座位.

He can be certain of success.

他一定会成功.

I can't be certain of what time I left the office.

我不能肯定我是什么时候离开办公室的.

You must be certain of your facts before you start flinging accusations.

必须对实情胸有成竹才能理直气壮地指责.

If one day i walked and you don't be certain to wait me.

如果有一天我走,你不要被某些等待我.

Be certain to notify others who may feed the cats not to leave out food either.

确定通知可能喂猫不也离开食物的其它.

At the more important hotels he would be certain to meet Chicagoans whom he knew.

在那些大旅馆里.他肯定会遇到芝加哥的熟人.

Every time you do you be certain to find something that you have never seen before.

每次这样做你都一定会发现一些你从未见过的东西.

Be certain to bring me the book when you coming beside time.

你下次来确定要将那本带给我.

I believe, We will success in the futher. be certain to.

我坚信, 我将来也是要成功的. 一定会.

Be certain to eat slowly and chew your food extremely well.

一定要慢慢吃，要细细咀嚼。

It is said to be characteristic of adolescence and early adulthood.

它被认为是青春期或成年期初期所特有的现象.