a long, narrow ditch.

a movement downward

to hire people to do sth

first to do sth

A deep-diving vessel developed in the 1950's

achievement

An underwater vehicle built of strong materials to resist pressure.

competing

to give off small flashes of light

wild or disturbing activity

related to microbes

to take a specimen

happening repeatedly

especially

plants of a region or era

a residue that settles in the bottom of something

a low place in the surface of the land, usually with a body of water occupying the lowest part

best; most favorable; ideal

able to operate; in working order

To speed up or control the rate of reaction

performance

long-awaited

a particular period in history

round shaped

Glowing, bright, shining, flaming.

proof; evidence; verification

land and the buildings that are on it

to register

health care practices and products used in place of conventional medicine

the practice of inserting fine needles through the skin at specific points to cure disease or relieve pain

A method of moving energy by applying hand pressure to mapped points on the feet and hands.

A condition resulting from damaging a muscle or tendon

Owing gratitude /money for service or favor

A form of financial aid that does not need to be repaid; usually awarded on the basis of academic, athletic or other achievements

to exceed or go beyond

an utterance expressing pain or disapproval

To consider carefully and thoughtfully

to hold or keep

the order in which things happen or should happen

(v.) to make known, tell; to give, pass something on

additional

foundation

academic sector

study of language

Deficiency in one or more specific cognitive processes despite relatively normal cognitive functioning in other areas.

something that completes or makes perfect