repatriation; return; (electrical) feedback
on the way; en route; in the process of (development, construction, etc.); in the middle of
trainer aircraft; training plane; trainer
medium; average; moderation; middle school; China; volume two (of three); during (a certain time when one did or is doing something)
engine; agency; organisation; system; facility
outbreak; spring forth; generation (e.g. of power or heat); genesis; ontogeny; development of complex multicellular structures from cell(s) in a simple state
acting rashly; running wildly; runaway (process); reckless baserunning
to finish; to stop; to close (a business, etc.); to close down; to put away; to put back
origin; source; base; basis; cause; ingredient; material
speaking of ...; when it comes to ...; as for ...; if one were to say ...
still; as yet; (not) yet; more; (more) still; at least
development; exploitation
stage; step; level; rank; order; stairs
to use (a thing, method, etc.); to make use of; to use (a person, animal, puppet, etc.); to employ; to use (time, money, etc.); to spend
to be called ...; to be referred to as ...
thrust; driving force; propulsion
unavoidably; inevitably; necessarily; reluctantly; against one's will
but; however; (and) yet; nevertheless; still; for all that
to emit; to spout; to spurt; to boil over
until (a time); till; to (a place or person); as far as; to (an extent); up to
(cannot) possibly; (not) by any means; (not) at all; utterly; absolutely
to arrive at (after a struggle); to finally reach; to find one's way to; to finally hit on (e.g. an idea)
to become; to get; to result in; to turn out; to consist of; to be composed of; to be completed
to float; to be suspended; to rise to the surface; to appear; to come to mind; to have inspiration
bottom of the ocean; seafloor; seabed; undersea; submarine
dimension; perspective; point of reference; level (of something)
transfer; transport; removal
just above; right overhead
supply base; storage depot
appeal; call for something; request; axiom
life; existence; (one's) working life; career; life force; lifeblood
to be saved; to be rescued; to escape harm; to be spared damage; to be helped; to be saved trouble
fort; stronghold; fortification
but; however; even; however; no matter how; ... or something; either ... or ...
to be; to exist; to have; to be located; to be equipped with; to happen
base (military, expedition, etc.)
safety; security; safely; without incident; good health; inaction
to; for; in order to; for; as for; regarding