Diphthongoid
准二合元音
🗣️ 情景例句
Since you don't have enough income,
由于你们的收入不够
Never be weary of well doing.
行善莫厌烦。
it naturally limits all those engaged in carrying it out from effective contact
那些从事科研的人员自然受到了限制。他们不能进行有效的接触