jpdb beta

exploration; expedition

8

proof; testimony; demonstration; verification; certification

2

science (inc. mathematics, medicine, etc.); natural science; science department (university); science course; science (as a school subject)

1

our country; our land; one's own country

1

chemical analysis

1

to become clear; to be made public

2

for a short while; for a while; for some time; for the time being

1

volcanic gas

1

danger; peril; hazard; risk

5

prohibition; inhibition; ban

2

internal inspection

1

lifting a ban; raising an embargo; opening a season (hunting, fishing, etc.); publishing contents; revealing information

1

world-leading

1

half; semi-; half-past; odd number; (arch.) unit of land area (595.8 m^2)

2

access

3

in succession; one by one

2

search; lookup; hunt; (item of) research; exploration; investigation

1

great (quantity, amount, etc.); huge; enormous; serious

1

explorer

2

to challenge to (a fight, game, etc.); to throw down the gauntlet; to tackle (e.g. a problem); to attempt; to pressure (someone) for sex; to make advances to

1

underground; subterranean

2

to make (somewhere) one's final home; to make (a place) one's final resting place; to do (something) for the rest of one's life; to devote (the rest of) one's life to (something)

1

safety; security

4

cannot possibly be

1

cave-in

1

hospitalization; hospitalisation

5

since then; from that time; ever since

1

research team; investigative team; survey team; reconnaissance team; investigative commission; fact-finding party

1

bent back; indecisive attitude; timidity; lack of nerve

1

cavern; cave; cave system; grotto

2

science; learning; scholarship; arts and sciences; academic pursuits

11

meaning; significance

2

high-risk

1

precious metal

1

stone (of a fruit); pit; core (of an organization, team, etc.); nucleus; nuclear weapons; nucleus (of an atom); nucleus (of a cell)

5

to be profitable

1

to carry out (of somewhere); to transport; to take out

1

depth

1

there's no (other) way; cannot be helped; unavoidable; it's no use (doing); pointless; hopeless (person)

2

useful; helpful

3

microbe; germ

5

to dive (into or under water); to get under; to get into; to hide oneself (esp. from the government); to conceal oneself

1

depths; deep part

2

evolution; progress

3

scoop (e.g. of icecream); scoopful; small ornamental spoon

1

new species; new variety

3

clanging (of a bell); jangling; ding-dong; continuously; incessantly; one after another

1

funds; capital; material; basis; character; qualities

1

research division; research club (e.g. at school, university)

8

metagenomics

1