Japanese knotweed
noun [ U ] uk/dʒæp.ənˌiːz ˈnɒt.wiːd/ us/dʒæp.ənˌiːz ˈnɑːt.wiːd/
虎杖（一种生长极快、难以控制的植物）
a plant with hollow stems and wide leaves that grows extremely quickly and is difficult to control or destroy
Japanese knotweed is known to be able to damage foundations, grow through patios and floors, and block drains. 众所周知，虎杖会破坏地基，穿过天井和地板生长，堵塞排水沟。