flu vaccine; influenza vaccine
clinical study; clinical trial
to exclude (someone); to shun; to ignore; to leave out; to ostracize
urgent business; pressing need; imperative
embodiment; manifestation; materialization; materialisation; expression; indication
heading; headline; index; headword
to be lucky; to be in luck; to be attached; to have; to be included
under development; in development
demonstration; verification; substantiation; actual proof
mail service; postal service; mail; mail; postal matter; postal items
to send (something) unsolicited; to send without the receiver's request
throwing in; inserting; investment; commitment (of funds, personnel, etc.); launching (a product into the market); introduction
biological younger brother
living by oneself; living alone
science and technology; technology; scientific techniques
bachelor's degree; baccalaureate
person in charge (of an area of work, etc.); person responsible; contact (person)
to claim victims; to leave casualties
source; origin; exit; way out; (appropriate) moment to come out; (right) time to appear
distant place; faraway location; far away
disturbance; confusion; perturbation; commotion; turbulence
long sentence; long piece of writing (e.g. passage, letter, article, telegram)
major newspaper; leading newspaper; widely circulated newspaper
what is called; what you call; what they call; so-called
endlessly; continuously; (going) on and on; meandering; winding; sinuous
to spell; to write; to compose; to bind (e.g. documents); to patch
Washington Post (newspaper)
report; notification; tip; message (in information and communication theory)
strict; severe; stringent; rigorous; rigid; firm
September 11 attacks (2001); 9/11
Oklahoma City bombing (April 19, 1995)
Nicholls; Nichols; Nicolls