II.off [美 ɔf, ɑf, 英 ɒf]副off often appears as the second element of certain verb structures in English (break off, pay off, take off, etc). For translations, see the relevant verb entry (break, pay, take, etc).
I.on [美 ɑn, ɔn, 英 ɒn]介词on often appears as the second element of certain verb structures in English (count on, lay on, sign on, etc). For translations, see the relevant verb entry (count, lay, sign, etc).
The helmets were supplied painted dark green, this was often overpainted in a desert tan colour which has a tendency to rub off, revealing the original colour underneath.
Its nickname miller moth comes from the fine scales on its wings that rub off easily and remind people of the dusty flour that covers the clothing of a miller.