конструкция
constructio [onis, f]
плавно
gradatim;
paulatim;
sensim;
трудный
difficilis [e];
arduus
niger [ gra, um];
ater [ tra, um];
pullus [a, um];
fuscus [a, um];
colore adusto;
fuligineus [a, um];
coracinus [a, um];
corvinus [a, um];
piceus [a, um];
anthracinus [a, um];