invertebrate; invertebrates; invertebrata
but; however; (and) yet; nevertheless; still; for all that
vertebrate; vertebrates; vertebrata
because; as; since; because of that; therefore; accordingly
main ingredient; main component
calcium phosphate (Ca3(PO4)2)
a kind; a sort; of sorts; something of a; sort of; somewhat
that is (to say); namely; precisely; exactly; if one does ..., then; in that case
spine; backbone; spinal column
limpness; soft; limp; mumbling; talking with food in one's mouth
to look down on (someone); to treat with contempt; to treat disparagingly; to sneer at
to float; to set afloat; to show on one's face (smile, sadness, etc.); to recall; to call to mind
immediately; right away; on the spot
language; dialect; word; phrase; speech; (manner of) speaking
denial; negation; negation; NOT operation
naked eye; the physical eye
living thing; organism; creature; biology
to peek (through a keyhole, gap, etc.); to look down into (a ravine, etc.); to peek into (a shop, bookstore, etc.); to sneak a look at; to take a quick look at; to peep (through a telescope, microscope, etc.); to stick out (a scarf from a collar, etc.)
diligently; seriously; perfectly; properly; sufficiently; satisfactorily
existence; being; presence
to be connected (to); to be joined together; to connect (of a telephone call, the internet, etc.); to get through; to lead (to an outcome); to bring about (a result); to be lined up (e.g. of cars)
silicic acid; silica; silicon dioxide
same; identical; equal; anyway; in any case; if one must ...
so to speak; so to call it; as it were; in a sense
to go through; to pass through; to struggle through; to get through (difficulties, danger, etc.); to escape (through the cordon)
to blink (one's eyes) repeatedly
this time; now; next time; another time; recently; lately
disagreeableness; unpleasantness; nastiness; cutting remark; disagreeable remark; snide comment
tender; kind; gentle; graceful; affectionate; amiable
very; extremely; terrible; horrid; remarkable; extraordinary
expression; representation; description; representation (of a group)
one round; one circuit; one revolution; one lap; one turn
to find; to discover; to come across; to be used to seeing; to be familiar with
single standard; single base; single-feature show
request; favour (to ask); wish; please
to turn; to rotate; to go around; to circle; to make the rounds (of); to go around (several places); to go by way of
to take (a resource, e.g. time or money); to hang; to come into view; to arrive; to come under (a contract, a tax); to start (engines, motors); to attend