an interesting discovery：
An American team explored a temple which…
The city at one time must have been prosperous，for it…
under the narrow streets
prep. beneath = under 正下方
He is standing under / beneath the umbrella.
Eg: The day broke for the birds were singing.
a white painted door 被粉刷成白色的门
a boy climbing the tree / the students reading in the room
be equipped with 配备，装备
Eg: the car was equipped with air conditioning.
在进行中，under control 控制之中；under discussion 讨论之中；under repairs 修理之中
Eg: She is sitting below the window.
Eg:The box was used as a desk in the small village school.
The wooden box was used as a bookcase.
The wooden box is used to contain books.
Each of these represented … been painted.
I represent all the classmates.
Eg: a young man with broad shoulders / an old lady with black hair
a beautifully dressed lady衣着漂亮的女士 / a deserted carpark 废弃的停车场
at one time:
must have been
enjoyed a high level of civilization.
The city was even equipped with… for… were found…
beneath the narrow streets /
be used as / be used to beIn the most sacred room of…
amazed: very much surprised 惊奇
I’m not surprised to see you here.
Eg: Our party turned out (to be) a success
It turned out that………… 原来是(表示结果)
that 从句，或其他名词从句，it 作形式主语
Eg: It turned out that the diamond had been in the bank all the time.
the customs dating from 1990
The tradition dates from the time when his grandfather was young.
The castle dates from the 14th century.
The castle dates back to the century.
Eg: I happen to have driven that kind of car. 我恰巧开过那种汽车。
He happened to find the ticket in his pocket. 他恰巧在口袋里找到那张票。
句式：It happens that……
I happened to meet her on my way to work
happen on 巧遇，偶然发现,偶遇
Eg: I happend on this old picture in the back of the drawer.
reconstruct: put together, piece together, restore
astonished: much surprised
turn out ( to be) + n./adj.
the concert turned out to be failure.
It turned out that his statement was false.