Abstract:Rhenium is an important dispersed element, which is mainly applied in fields such as national defense, aerospace and petrochemical engineering. The key point is that of rhenium is i...
英语音标教程:短元音 /æ/ Episode 12 / 21 Feb 2025 This is the seventh of seven short vowel programmes in our series of pronunciation tips 英语音标教程:短元音 /e/ Episod...