yes; yeah; huh?; what?; not; 's
seems; I think; I guess; don't you agree?; I thought you'd say that!
human experiment; human experimentation; experiment on a living person
time; hour; occasion; case; chance; opportunity
special; particular; peculiar; unique
to learn; to acquire knowledge; to carry; to wear (clothes, etc.); to put on
pregnancy; conception; gestation
to give birth; to bear (child); to lay (eggs); to produce; to yield; to give rise to
to tell (a story); to give an account of (an event, experience, etc.); to relate; to tell of; to show; to indicate
behind; rear; after; later; remainder; the rest; more (e.g. five more minutes)
average value; mean value; mean; expectation
to turn back (e.g. half-way); to return; to go back; to recover (e.g. something lost); to be returned; to rebound
childbirth; (giving) birth; delivery; production (of goods)
at the same time as; while; as well as (multiple roles)
reset; fresh start; new beginning
to rise; to go up; to enter (esp. from outdoors); to come in; to enter (a school); to advance to the next grade; to get out (of water)
direction; way; person; lady; method of; manner of; care of ...
is not; am not; are not; isn't it?
possible; potential; practicable; feasible
what; you-know-what; that thing; whatsit; whachamacallit; (not) at all; (not) in the slightest
to say; to utter; to name; to call; to go (e.g. "the alarm went ping"); to make a noise
feeling refreshed; feeling relieved; neat; tidy; frank; open-hearted; completely
yes; indeed; ha!; what?; huh?; sigh
study; research; investigation
don't; do; hey; listen; now, ...; well, ...
place; spot; address; district; area; one's house; point
to be tied together; to be connected to; to lead to; to be related to; to be related (by blood)
ordinary; common; free of charge; unaffected; as is; only
coincidence; chance; by chance; unexpectedly; contingency
I wonder; should I?; is it?; I wish that; I hope that
that; the; part (as in "part two"); um ...; er ...
where; what place; how much (long, far); what extent
the Eastern Capital (now Tokyo); Yedo; Edo
pointed end; tip; point; forefront; vanguard; spearhead
material; substance; matter
learning; scholarship; study; study of ...; -ology; -ics
research establishment; research institute; laboratory
wonderful; marvelous; strange; strangely enough; oddly enough; for some reason
it is assuredly that ...; can say with confidence that ...; did not ...
state secrets; secrets of the state
matter (to discuss); item (on the agenda); issue; (court) case
and yet; despite this; but even so; but even then; however; nevertheless