Diphthong
[ ['difθɔŋ] ]
其它 Other
n. 二合元音, 复合元音, 元音连字\\n[电] 二重母音
📖 牛津释义
diphthong
n
union of two vowel sounds or vowel letters, eg the sounds in pipe , the letters ou in doubt 二合元音, 复合元音, 双元音（如pipe 中的 音）; 复合元音字母（如doubt中的ou）. Cf 参看 monophthong.
🗣️ 情景例句
The two of you look unbelievable!
你们俩看起来简直让人难以置信！
Mr. Stone Jones of the United Nations.
来自联合国的世通.琼斯先生。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。