ground-breaking; revolutionary; unprecedented; epoch-making
(reciprocal) communication; (coming to a) mutual understanding
unlawful; illegal; unreasonable; outrageous; unjust
muscular pain; myalgia; aching muscles; sore muscles
one's post; one's station; department; bureau; section
to spread (out); to extend; to stretch; to reach to; to get around; to fill (e.g. a space)
traces of a moving light; trail (e.g. of a meteor)
artificial satellite; man-made satellite
omniscient point of view (in narration)
structure; construction; posture (e.g. in martial arts); pose; readiness; determination
to grow thickly; to be overgrown; to thrive; to grow in abundance
harvest; crop; fruits (of one's labors); gain; catch (fishing); bag (hunting)
disused; unused; useless; wasteful; of no use
to say in other words; to put another way; to express in different words; to reword; to rephrase
high-capacity; high-volume
to continue to do; to persist in doing
used (ticket, stamp, etc.); spent (fuel, battery, etc.)
to have a good idea; to be able to predict
withdrawal; secession; separation; breakaway
in the ground; in the earth; underground; subterranean
outward appearance; exterior appearance; outward show; looks
freezing; cold storage; refrigeration
one-way (trip); one-way ticket
disqualification; unfitness; noncompliance
circulation; rotation; cycle; loop
time of emergency; (in an) emergency
pot (esp. teapot, coffee pot); vacuum bottle; thermos flask
drifting; drift; being adrift
to re-examine; to review; to recheck
surrounding environment; ambient surrounding; one's surroundings
on the way; en route; in the process of (development, construction, etc.); in the middle of