n.刘寄奴属植物；美狗舌草；千里光草
micrococcus tetragenus genbank───genbank四属微球菌
drag out───把…拖[拉]出; （使）拖延; 挨
arbitrage price───套利价格
bragged about knowing the date───吹嘘自己知道日期
aerometric anchorage───气压锚具
borage seeds───琉璃苣
outrage fatigue───极度疲劳
dragonfish coloring pages───龙鱼彩页
storage boxes───贮藏箱；存储箱
fragility x───脆弱性x
Ragwort was accidentally introduced to New Zealand in the late nineteenth century and, like so many invading foreign species, quickly became a pest.───19世纪末，狗舌草被偶然引入新西兰，像许多入侵的外来物种一样，它很快就变成了一种有害生物。
severity of the impact was increased because cattle, which were displacing sheep, are much more sensitive than sheep to the toxins contained in ragwort.───由于正在取代绵羊的牛对千里光草中含有的毒素比绵羊敏感得多，影响的严重程度有所增加。
Ragwort contains a battery of toxic and resilient alkaloids: even honey made from its flowers contains the poison in dilute form.───舌草含有大量有毒且适应力强的生物碱：即使是用它的花制成的蜂蜜也含有稀释后的毒素。
In the early 19th century Oxford ragwort escaped from the botanical garden where it had been interned.───在19世纪早期的牛津，千里光（也称狗舌草）从它被囚禁的植物园中逃了出来。