Detto in 6 clip da 5 canali · B1–C1 · altre forme: strengthened, strengthening, strengthens
01 / 6Sprouts≈ livello approssimativoB24:13–4:21 , - , .
02 / 6The Economist≈ livello approssimativoC11:49–1:54
.
03 / 6Big Think≈ livello approssimativoB12:05–2:10
, .
04 / 6CrashCourse≈ livello approssimativoB24:04–4:12
: ’s .
05 / 6TED-Ed≈ livello approssimativoB23:01–3:09
, .
06 / 6Sprouts≈ livello approssimativoB23:12–3:25
, , .
Sentito anche in queste clip