Wen said he could not imagine losing his parents and seven-year-old son.

He only had a seven-year-old boy's intellectual level.

他只有一个七岁男孩的智力水平。

Take it from me, the seven-year-old up here talking about brain science.

请记住我这个7岁的孩子在这里谈论脑科学所说的话。

Seven-year-old children had the primary collective concept of class.

7岁儿童开始拥有初步的班级观念。

However, six-year-old children and seven-year-old children is completely different.

但是六岁的儿童和七岁的儿童完全不一样。

The Influencing Factors of Seven-year-old Children's Language Expression

7岁儿童语言表达的影响因素分析

Dear seven-year-old, no matter what anyone says, stay weird.

7岁的人，不管别人说什么，保持你的怪异。

Sam is the seven-year-old son of Eric Davies

萨姆是埃里克·戴维斯7岁的儿子。

A seven-year-old boy was found dead after a landslide engulfed a block of flats

山体滑坡掩埋了一栋公寓楼，造成一名7岁男孩丧生。

The seven-year-old was found crying with scratches on his face and neck

那名7岁男孩被发现时正在哭泣，脸部和颈部都有划伤。

Her seven-year-old terrier-pinscher mix Mardi and2-year-old puggle Penny are taking their first flight soon.

她七岁的短毛猎犬马蒂和两岁大的哈巴小猎犬佩尼很快就要搭乘第一个它们自己的航班了。

The seven-year-old girl likes playing the piano ( so that she has been practicing it) for two years.

这个七岁的小女孩酷爱弹钢琴，以致于她已经坚持练钢琴两年了。

Study on the biology and control of banana aphid

香蕉交脉蚜及其防治研究

"It's a bit like Back to the Future where they put banana skins in at one end to make it fly, " said Pag, from Croydon in south London.

「它有点像《回到未来》电影里，使用香蕉皮做为时光机飞行的动力来源，」来自伦敦南方柯利顿市的佩格说。

a skilled worker a blue sky banana skins

熟练工人蔚蓝的天空香蕉皮

While the cold turns banana skins brown, the inside will still be fresh.

当低温使得香蕉皮出现黑斑时，香蕉内的果肉仍然是新鲜的。

What kind of shoes are made of banana skins?

什么鞋是用香蕉皮做的？

If you like, a squeeze of fresh lemon juice on the bananas will prevent them turning brown ．

如果你喜欢的话,在香蕉上挤点新鲜的柠檬汁可以防止香蕉变成褐色。

In one experiment, they showed pictures of various objects to twenty volunteers and asked them to find just one of those, a banana.

在一项实验中，他们先向20位志愿者展示不同物体的图片，然后要求志愿者找出香蕉的图像。

I was ready to pay for my bananas at the grocery one night, when fear seized me ．

有一天晚上,我正准备在杂货店掏钱买香蕉时，恐惧突然向我袭来。

Frozen bananas will last several weeks, depending on their ripeness and the temperature of the freezer ．

冷冻香蕉可保存几个星期,这取决于它们的成熟度和冷藏室的温度。