permeate = fill = pervade = diffuse

precede 替代 before,previous

unprecedented

We're facing unprecedented ... than preceding ....

awardee -ee (trainee, employee)

back and forth 反復(fù)地，來(lái)回地

readily ~= swiftly, willingly

deposit ~= leave

soak up ~= absorb

invariably = always

sort of ~= in some degree ~= a little bit

threefold ~= triple

stunning

propel ~= push ~= drive ~= facilitate

full steam = in high gear