They have been seen together on two separate occasions.
他们有两次被人看见在一起。
He might easily have been seen by someone who lived nearby.
他可能很容易被住在附近的人看到。
It isn't, however, the first time it has ever been seen.
然而，这并不是它第一次被发现。
And bacteria, primitive forms of life, have been seen there.
细菌——一种原始的生命形式——在那里被发现。
The far side of the moon is almost "dark" and has never been seen.
月球的远侧几乎是“黑暗的”，并从来没有被看到过。
She hasn't been seen for quite some time.
好久没人看见她了。
She hasn't been seen for four days and there is concern for her safety.
她已四天不见踪影，大家对她的安全很担心。
Such changes have not been seen since the invention of the printing press.
自从发明了印刷机，这种变革还没有出现过。
没有西班牙人出现。
A Shark as big as a mountain has been seen near the shore.
海岸附近出现了一条鲨鱼，看起来像山一样大。
Recently, reports about food safety have often been seen in the newspapers.
最近，有关食品安全的报道经常出现在报纸上。
Over 20 have been seen per night.
每晚都有超过20只被发现。
Nor had the boy been seen again.
也没有人再见到过那个男孩。
从此，再也没有见过他。
Why had this solar effect not been seen before?
为什么太阳的这种影响以前没被发现呢？
Let's see colours that have never been seen.
让我们去看从未看过的色彩。
Now smoke has been seen in the Italian bond market.
现在，意大利债券市场已经浓烟四起。
Never had so much of his art been seen in one place.
他的作品从未在一个地方如此集中展出过。
This has never been seen before in a comet-like object.
这种景象从未在类似彗星的观测过程中出现过。
Mr Paulson has until now been seen as one of the heroes.
此前保尔森一直被视为英雄人物之一。
The main impact has been seen in parts of Asia and Japan.
甲流确实给亚洲和日本的部分地区带来了影响。
Chimpanzees had never before been seen or recorded as eating meat.
在这之前，人们从没有见过或记载过黑猩猩食肉。
Foreign milk had been seen by the public as a safe alternative.
进口牛奶曾被公众视为安全的选择。
But serious spending, or winning, has seldom been seen on piers.
不过，一掷千金的消费，或者说“胜利”的场面，极少在栈桥上演。
The mobile industry has been seen as a cash cow in some countries.
手机业在一些国家被看成摇钱树。
ELIZA: It means that a tornado has been seen somewhere in the area.
艾丽沙：就是有一个龙卷风已经在这个区域出没。
ELIZA: It means that a tornado has been seen somewhere in the area.
艾丽沙：就是有一个龙卷风已经在这个区域出没。
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