Tree planting is almost automatically confined to exotics.树木栽植几乎主动地局限于外来种.Exotics are most useful in regions in which the native flora is deficient.在当地植物种类贫乏的地区,外来种最为有用....
It vexed me to think of others gossiping behind my back.一想到别人在背后说我闲话，我就很恼火。Later Mr Moi raised the vexed question of refugees.后来莫伊先生提出了那个让人头疼的难民问题。Everything about her vexed him.有关她的一切都令他困惑。...