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1·Laster week I went to the theatre.

上星期我去剧院看戏。

2·These are then evaluated at a laster stage in the print protocol.

这些要以印刷文本在最后评估。

3·During our first summer vacation, we took part in military training, which laster for 3 weeks.

在第一个暑假期间，我们参加了维期3周的军训。

4·It can be done in two ways. The first way is the same way as you create bark on the normal trees. I mean the laster method. It is more work but in the end the result is the same.

你可以采用两种方法，一种就是你在普通树木上制作时采用的方法，即抹石膏或灰泥的方法，这种方法使用的比较多，但最终效果也是差不多的。