The authorship of the poem is unknown.

Metals expand when they are heated.

金属受了热就会膨胀.

When he saw the land ahead, the swimmer redoubled his speed.

那个游泳者看见前面有陆地时, 大大地加快了他的速度.

He had gone when I arrived.

当我到达时,他业已走了.

I'm always nervous when I make a speech.

在发言时我总是感到紧张.

Mrs Anne Sterling did not think of the risk she was taking when she ran through a forest after two men.

安妮·斯特林夫人穿越森林追赶那两个男人时,没有去想自己所冒的风险.

When the seas are in turmoil , heroes are on their mettle.

沧海横流,方显出英雄本色.

When I read this article, thoughts thronged my mind and I couldn't sleep.

读了这篇文章后,我浮想联翩,夜不能寐.

We'll give the enemy beans when they come within range.

敌人一旦进入射程,我们就惩罚他们.

When money falls in value, there is no encouragement to save.

货币贬值时, 就无法鼓励人们储蓄.

As the jewel was in the rough state , he had no idea what size it would be when cut.

这块宝石未经琢磨, 他不知道加工后有多大.

The old nun was as imperious as ever , but visibly thawed when she saw the children.

老修女仍然像从前一样专橫,看到孩子们时却显得温和多了.

Those were the halcyon days of Athens ( fifth century BC ) when she produced her finest poetry and drama, architecture and sculpture.

公元5世纪为雅典的太平盛世.雅典最优秀的诗歌、戏剧 、 建筑和雕刻均产生于这一时期.

I was hot on playing basketball when I was in college.

我上大学时热衷于打篮球.

When all the crops are safely gathered in, the farmers can rest.

当所有的庄稼都安全入仓后, 农民们便可以休息了.

Please stand up when we call your name.

我们叫到你的名字时请起立.

When the fruits are ripe, they fall from the trees.

当果实成熟时, 它们从树上落下.

When he was with her, his nerve never let up.

和她在一起, 他总是感到很激动.

When winter comes, some birds will fly away to the south.

冬天到来时, 一些鸟就会飞到南方去.

He came back to earth when the teacher told him to pay more attention.

当老师告诉他要认真的时候,他回到了现实中来.

When we use " he " , we generalize for both sex.

当我们用 he 时, 我们泛指男女.