interior; backwoods; hinterland; back regions
field of activities; area of activity; range of behavior (behaviour); habitat
thousands; several thousand
in the meanwhile; during the time
relay; hook-up; relay broadcasting
proper; appropriate; due; suitable
near oneself; close to one; familiar
many; much; plenty; hardly
very; extremely; extreme; excessive; splendid; impressive
unmanned probe (vessel, spacecraft, etc.)
to drive in (e.g. nail, stake); to hammer in; to hit (a ball, etc.); to drive; to fire into (e.g. a crowd); to launch (e.g. missiles); to input (data)
operation (of machine); operating; running; working
to get (a joke or explanation); to strike home; to click; to know intuitively
to be believed to; to be expected to; to be feared to; to be poised to; to be considered to; to be likely to
as a matter of fact; by the way; to tell you the truth; to be honest; frankly
descent; fall; drop; passing down (of an order, decree, etc.)
transport; transportation
loading (on board); equipping; equipped (with); built-in
(looking) blankly; vacantly; dazedly; (staring) in puzzlement; with a look of amazement
condition; state; health; state (of health); way; manner
soon; in a moment; nearby; close; direct; spot transaction
to allow (someone or something) to come near; to let get close
straight; straightforward; direct; neat (e.g. spirits); black (e.g. tea, coffee); entering university directly from high school; fast ball
to project; to reflect; to cast (shadow)
worst; horrible; horrid; in the worst case; if worst comes to worst
before very long; soon; someday; of the previously mentioned; of that number; among them
first; foremost; most important; best; greatest; above all
archipelago; chain of islands
defense; defence; protection
thanks to ...; owing to ...; because of ...
air route; air lane; by air; by plane
pressure; oppression; suppression
covering; protection; backing; relief