knowing; (an) acquaintance
avenue; street; coming and going; street traffic; flow (of water, air, etc.); transmission (of sound); reach (e.g. of voice)
passing through (a tunnel, station, town, etc.); passing by (e.g. of a typhoon); passage (of a bill, e.g. through parliament); carriage; passing (an examination, inspection, etc.); clearing
severe (injury, handicap, etc.); serious
radioactive contamination
above ground; on the ground; earth's surface; this world; this earth
toxin; poisonous substance
concerning; regarding; per (e.g. 100 yen per person); for every
exceedingly; extremely; decisively
tranquil; calm; restful; peaceful; quiet
numerical value; numerics; reading (on a meter, etc.)
to keep; to preserve; to hold; to last; to endure; to keep well (food)
extent; scope; sphere; range; span
counting backwards; calculating backwards; inverse operation; reverse operation
same kind (race); homogeneousness
plural; multiple; several
low (rank, degree, value, content, quality, etc.); low (position); close to the ground; short (height); deep (voice); in a low key
special; particular; peculiar; unique
mutant strain; mutated variant; mutant species
class; level; stratum; layer; hierarchy
to occupy; to hold; to account for; to make up; to take up
sacred lotus (Nelumbo nucifera); Indian lotus; lotus; rose of Sharon (Hibiscus syriacus)
seed (e.g. of a plant); pip; material (e.g. for an article); matter (e.g. of a story); ingredient; leaven (bread); cause
millennium; one thousand years; (fig.) long time
case (e.g. receptacle, condition, event, legal action, letter style, etc.); Computer-Aided Software Engineering; CASE
same; similar; (just) like; equal
to hold between (e.g. one's fingers, chopsticks); to grip (from both sides); to put between; to sandwich between; to catch (e.g. a finger in a door); to trap; to insert (e.g. a break into proceedings)
activity (of a person, organization, animal, volcano, etc.); action; movie (esp. during the silent movie period)
may; might; perhaps; may be; possibly
and; besides; because; since; the thing is; for one thing
reverse; opposite; converse (of a hypothesis, etc.); inverse (function)
once; for a short time; briefly; (arch.) one morning
extinction; extermination; eradication; stamping out; wiping out
to try to ...; to be about to do ...; to decide to ...; to take as; to treat as; to use for; to suppose that (such) is the case
one large animal (horses, cattle, etc.); head (of cattle)
survival; survivor; relic
mode of life; ecology; (animal) territory