degree (angle, temperature, scale, etc.)
to keep balance
base (e.g. of a triangle)
behind one's back
objection
to make someone realize (e.g. their mistake)
bulging
boiling
to love
scatology
to break through (e.g. one's doubts)
to combine
to change
spoon
unfortunately
measuring cylinder
cylinder
form
device
great
substitute
small quantity
real
wire netting
to warm (e.g. one's hands over a fire)
to sniff
to tear to pieces
to divide (into)
main question
to quarry
ophthalmology
invisible person (in science fiction, etc.)
in fact
elementary
to creep in
to get (a joke or explanation)
if you think about it
dolphin (or other small toothed whales, such as porpoises, belugas, etc.)
obstacle
to measure
appearance
ship
sonar
hard to see
to show signs of ...
colorless and transparent
puzzling
consideration
to divide
to be lucky
swing
to gouge
unimpressive
to go back to the start
limit
immersing oneself in
in a daze
different (from)
physical phenomenon
work