第二功能
/ˈsɛkənd ˈlɛvəl ɒv ˌɒpəɹˈeɪʃənz/
n
English: second level of operations · 第二功能
English · second level of operationsEspañol · segundo nivel de operacionesFrançais · second niveau d’opérations
释义：All the supplementary functions listed above the keys and accessible using the access to the second level of operations.