I'm sorry; (it's) inexcusable; thank you very much (for help, etc.)
contents; content; substance; matter; detail; import
South Pole; the Antarctic; Antarctica
discovery; detection; finding
February; second month of the lunar calendar
last (i.e. immediately preceding); previous; pre- (e.g. premodern); before; before; earlier
coastal waters; adjacent seas
on the sea; on the ocean; offshore
relation; relationship; participation; involvement; influence; effect
tenth day of the month; ten days
our country; our land; one's own country
living thing; organism; creature; biology
to be wounded; to get injured; to get hurt feelings; to get damaged; to get chipped
(something) has never occurred; to have never done (something); such a thing has not happened; never happens; there is never a time when
sudden; abrupt; impromptu skit; bandwagon fan; fair-weather fan
unbelievable; incredible; implausible
reality; actuality; hard fact
as you see; as you can see
investigation; examination; inquiry; enquiry; survey
result; consequence; coming to fruition; bearing fruit; as a result; consequently
point in common; common feature
single; solo; solitary; just one; only one
basics; fundamentals; basis; foundation
new; neo-; newness; novelty; Gregorian calendar; Xin dynasty (China, 9-23 CE)
large quantity; massive (quantity); mass (e.g. mass production, mass transit, mass destruction)
outbreak; spring forth; generation (e.g. of power or heat); genesis; ontogeny; development of complex multicellular structures from cell(s) in a simple state
ago; since; before; previous
question (e.g. on a test); problem; problem (e.g. societal, political); question; question (i.e. doubt); public discussion
certainly; without fail; right and wrong; pros and cons
cooperation; collaboration
research establishment; research institute; laboratory
skip it; drop it; I've had enough (e.g. when offered something); that's enough
to be found; to be discovered
signal; signalling; signaling; traffic light; traffic signal
to (be able to) make contact; to (be able to) get in touch
the person concerned; the person in question; the said person
safety; welfare; well-being
urgent; pressing; immediate; urgently; promptly; at once