Over the past decade ransomware attacks have spread like knotweed.

在过去十年中，勒索软件攻击像虎杖一样蔓延开来。

The evidence stacked against Japanese knotweed is damning.

对日本紫菀草不，利的诸多证据都足以导致其毁灭。

At first, the whole thing looks pretty unexceptional–overgrown with knotweed, brambles, and a few decent sized patches of poison ivy.

乍一看，整个地方看起来很平常——长满了虎杖、荆棘和几片大小合适的毒藤。

Nor might people fret about knotweed growing at other plants' expense if it did not also undermine human constructions such as buildings and roads.

人们也无需担心虎杖以其他植物消失为代价生长，只要它不会破坏建筑物和道路等人类建筑。

These plants and animals belong to a group of about 20 identified species with evolutionary adaptations to rapid climate change, including snapping turtles, wood frogs, knotweed, and silver spotted skipper butterflies.

这些物种属于一个有20种明确物种的种群这些物种有着包括蛇鳄龟在内的，为了适应气候变化而产生进化的物种，如林蛙，紫菀科植物，以及银斑弄蝶。

From American grey squirrels displacing European red ones, to Japanese knotweed displacing just about everything everywhere, their purported negative effects on nature are there for all to see.

从美州灰松鼠取代欧洲红松鼠，到日本虎杖取代英国几乎所有本土植物，外来物种对自然造成的负面影响是有目共睹的。