first; firstly; first of all; Introduction; Preface
trace; vestige; mark; sign; evidence
organic matter; organic compound
time; season; period; phase; stage
mixing; blending; adding; adulteration; contamination
to bring (news, knowledge, etc.); to introduce; to bring about; to cause; to produce (e.g. results)
inadequacy; inappropriateness; unfitness; impropriety
conformity; compatibility; adaptability; congruity; congruence
to follow; to come after; to come next (to); to rank next (to); to rank second (to)
single cell; simple-minded; one-track-minded
living thing; organism; creature; biology
to begin; to start; to happen (again); to begin (anew); to date (from); to originate (in)
crystal; crystallization; crystallisation; fruits (of labor, union, etc.)
growth; development; growing up; growth (of a company, the economy, etc.)
unicellular organism; single-celled organism
compound; composite; doubles (tennis, badminton, etc.); place bet (in horse racing, etc.); show bet
cell; cell (in an organization, esp. a communist party)
adherence; sticking (to); fixation
mobility; migration; rambling; mobile; moving; ambulatory
use; utilization; utilisation; application
evolution; evolution; becoming more advanced; progress
to call; to name; to call oneself ...; to go by the name of ...; to purport (to be); to profess
appearing one after another; cropping up one after another; occurring in succession
form; shape; figure; morph
characteristic (of); peculiar (to); inherent (in); eigen-
mystery; mysteriousness; secret
to refuse; to decline; to deny
before one's very eyes; under one's nose; imminence; close at hand
wonder; miracle; amazement; prodigy
to enter; to come in; to join (a club, company, etc.); to enter (a university, the army, etc.); to be contained (in); to be included (in); to (be able to) fit (in a container, building, etc.)
core; heart (of the matter); point; crux; kernel
making rapid progress; making great advances; rush; dash; onslaught
origin; root; cause; principle
immanent; internal; intrinsic
spontaneous; arising from within; intrinsic; voluntary
picking; collecting; harvesting; extraction
fourwing evening primrose (Oenothera tetraptera); fragrant evening primrose (Oenothera stricta); large-flowered evening primrose (Oenothera glazioviana)
soil; breeding ground (for); fertile ground (for)
environment; surroundings; circumstances
eh?; what?; yes; that's correct; used for soft emphasis or to soften a statement or request; (arch.) strengthens a question, assertion, etc.
foul play; cheating; cunning person; sly fellow; cheat
just like; exactly like; as if; (do) just like ...; (be) virtually like ...; as if it were ...