妙語佳句:

原文:It's the tree's natural defence against attack.

defence against:防御, 保衛

例句:This wall is a defence against the sea.

這堵墻是抵擋海水的。

原文:some of the world's richest forests were torn up and burned.

torn up:(torn,動詞tear的過去分詞)撕毀

例句:An elephant can tear up a tree by the roots.

大象能把一棵樹連根拔起來。

原文:Just one severe frost will kill off these delicate rubber trees.

kill off:殺光, 消滅

例句:Frost can kill off a young plant.

嚴寒會摧毀幼苗。

原文:So Yunnan's terrain puts a limit on how far the plantations can spread,halting at least their northwards advance.

put a limit:進行限制

例句:He put a limit on the amount we could spend.

他規定了我們開銷的數額。

考考你:

這是樹木面對攻擊時的自我保護。

液體將被熬制成為一種非常重要的材料。

北京當局把目光轉向了橡膠樹唯一能夠快速成材的地方。

上期答案:

They are confined to these forest mountains,

If it survives infancy,then it has a promising future.