surroundings; environs; circumference
single; simple; singles (tennis, badminton, etc.); win bet (bet which predicts the winner of a race)
separation; partition; detachment; segregation; isolation
switching over to; migration; transition
extensive; vast range; wide scope
to adopt (method, proposal, etc.); to take (measure, course of action, etc.); to pick (e.g. flowers); to gather (e.g. mushrooms); to extract (e.g. juice); to take (e.g. a sample); to assume (an attitude)
demonstration; show of force
purposely (of something needless, unexpected or seemingly counterproductive, etc.); daringly (doing something); not necessarily; not particularly; (arch.) definitely not
to dash over oneself (e.g. water); to take (e.g. shower); to bask in (e.g. the sun); to suffer (e.g. an attack); to draw (e.g. criticism, attention, praise); to have heaped upon
pale; pallid; bluish-white
above ground; on the ground; earth's surface; this world; this earth
viewing angle; viewing direction
three times (as much); treble; triple; threefold
to tell; to inform; to announce; to indicate; to signal; to mark
some; any; in any way; of some kind; of some sort
(if) by some chance; by some possibility; in the unlikely event that; (unlikely event of) emergency; the worst(-case scenario)
intercept; interception; counter-attack
to stop; to stay (e.g. the night); to contain; to keep (in position, in place); to record (e.g. a fact); to retain
prescribed; designated; appointed; fixed
broadcasting; broadcast; program; announcement
the world; society; sphere; circle; world-renowned; world-famous
unbelievable; incredible; implausible
unconfirmed; unidentified
heavenly body; celestial body; astronomical object
National Aeronautics and Space Administration; NASA
to continue; to keep up; to keep on
split; division; break up
fragment; broken piece; splinter; chip; shard
going straight on; going straight ahead
to avoid (physical contact with); to avoid (situation); to ward off; to avert; to put aside; to move out of the way
impossible; incapable (of doing); incompetence; inability; impotence; having no solution (of an equation)
federation; federal state; United States of America
each nation; many nations; many countries
head; leader; top; (arch.) important part
to inform; to notify; to know; to reign