ditch; drain; groove; tread; gap (between people, countries, etc.); gulf
Mariana Trench (deepest part of the ocean, near the Mariana Islands)
boards covering a ditch (drainage, sewage, etc.); grassroots (e.g. campaign); door-to-door; on the ground
brown rat (Rattus norvegicus); common rat; dark grey (colour, color); dark gray; secret evil-doer
multipurpose underground utility conduit
to throw down the drain; to waste
ditch with running water; drainage channel
Marco Polo Bridge Incident (July 7, 1937)
Marco Polo Bridge (China)
Chinese lobelia (Lobelia chinensis)
Marco Polo Bridge Incident (July 7, 1937)
Marco Polo Bridge (China)
sulcus; groove in the surface of the brain
cleaning out mud from a ditch or drain
nasolabial sulcus; nasolabial groove; nasolabial fold
Lythrum anceps (species of loosestrife)
drain and pool for collecting sewage, etc.
gutter oil; recycled waste oil sold illicitly in China as a cheaper alternative to cooking oil
grassroots sales; door-to-door marketing
Japanese bird cherry (Prunus grayana); Gray's bird cherry; Gray's chokecherry
channel (type of section steel)
monkey flower (plant); mimulus (plant) (Mimulus nepalensis var. japonicus)
plant native to eastern Russia and Hokkaido (Mimulus sessilifolius Maxim. p)
groove in the body of wooden plane which holds the blade
clearance groove; under cut
clearance groove; under cut
Solenogastres (subclass of small worm-like molluscs)
lateral sulcus (brain structure); Sylvian fissure; lateral fissure
L-shaped gutter; L-shaped drain
epidermal depression; skin depression
subterranean drain; culvert; conduit
Japanese night heron (Gorsachius goisagi)
Sphaerium japonicum (species of fingernail clam)
bird cherry (Prunus padus)
Chinese pond mussel (Sinanodonta woodiana)