雀麦草到处可以生长,无论是沙漠还是山顶.Cheat grass can grow anywhere from deserts to mountain tops.雀麦不是一种非常常见的杂草,它主要分布在谷类作物中.Chess is not a very common weed and is mainly found in cereal crops.夏季是混播草地中无芒雀麦种群衰退的关键时期.Summer was the pivotal p...
So far no one has admitted planting the bomb.到目前为止，还没有人承认是自己放了炸弹。It's Tree Planting Day.今天是植树节.Tree planting is almost automatically confined to exotics.树木栽植几乎主动地局限于外来种.The Tree Council promotes tree planting.林木委员会倡...
The onset of this disease may resemble the prodromal period of icteric hepatitis.它的发病与黄疸型肝炎的前驱期相似.The onset of depression often follows a traumatic event.抑郁症发作常常发生在遭受创伤之后。The median interval between onset of symptoms and...