frontline (military) base; forward base; outpost
undulation; ups and downs; highs and lows
to be rich (in); to abound (in); to be abundant (in); to be rich; to be wealthy
mountains and valleys; mountainous valley
moving from place to place; being passed around repeatedly; rolling about
judging from; on the basis of; from the point of view of
to hold fast; to protect to the end
return (home); repatriation; feedback (in an electronic circuit, biological system, etc.)
real image; real form; real-life image; true picture
repetition; repeat; reiteration; repeatedly; again and again; continually
shelter; refuge; protected place
several hundred; hundreds (of)
cloud of sand (dust, etc.)
mountain stream; mountain torrent
to freeze; to become frozen; to freeze over
horse riding; horseback riding; horseback rider
extension; elongation; (total) length; extension (e.g. of one's work); continuation; extension (of a line segment); extension (property of occupying space)
residence; stay; (job) posting; residential police box; residential police box officer
triple; treble; threefold; three-ply; triplicate
rank (e.g. of soldiers); horizontal line
to take command; to give direction
possibly; apparently; (seem) likely; somehow or other; with difficulty; barely
to leave as is; to ignore
desert climate; arid climate
to blow (of the wind); to blow (one's breath); to breathe out; to play (a wind instrument); to blow (a whistle, trumpet, etc.); to emit (smoke, fire, etc.); to spout
association (of ideas); being reminded (of something); suggestion
the minute (that) ...; no sooner than ...; as soon as; whether or not
spear; lance; javelin; lance; (arch.) jeering
half the number; half (of an amount); haploid (organism, cell, etc.); haplont
natural phenomenon (phenomena)
plants and animals; flora and fauna
to be noticeable; to notice; to catch one's eye
double; twice (as much); twofold
hill; hillock; rolling hills; foothills
charge; rush; dash; assault; attack
towards; against; regarding; in contrast with
large crowd; large herd; large flock; large school; large shoal; large swarm
(common) soldier; rank and file; army; troops; warfare; strategy
to stand in the way (esp. with legs spread out); to block the way; to stand in the way (e.g. of progress); to obstruct