我想预订一张7点钟供三个人使用的桌位。

(3)He spent some of his money and kept the rest in reserve.他花了一部分钱，并把余款存了起来。

(4)I've made a reservation(reserve) for you on the morning flight.我已经为你预订了早上的航班。

(5)I found my mother sitting by the table reserved(reserve) for honored guests.

我发现母亲坐在为贵宾预留的桌子旁。

But the Siberian tiger is not the only endangered species.

但西伯利亚虎不是唯一的濒危物种。

(endangered adj.濒临灭绝的

※endanger vt.使......处于险境；危及

※dangerous adj.危险的

※danger n．危险

in danger处于危险中

in danger of...有......的危险

out of danger脱离危险

(1)The spread of the virus might endanger public health.这种病毒的传播可能会危害公众健康。

(2)A kind woman came up to help me out of danger.

一位好心的女士走过来，帮我脱离了危险。

(3)Measures must be taken to protect the endangered(endanger) culture.

必须采取措施保护濒临绝传的文化。

(4)If you don't accept his advice，you will be in danger in no time.

如果你不接受他的建议，你即将会处于危险之中。

What can we do to help them in their struggle for survival？我们能做什么来帮助它们生存下去呢？

(struggle n．& v．挣扎；斗争

in the struggle against/with...在与......的斗争中

struggle against/with...与......斗争

struggle for...为......而斗争；努力争取

struggle to do sth.努力做某事

struggle to one's feet挣扎着站起来