1.
Having only the diatonic tones of the scale.
自然音的，自然音阶的
2.
The third tone of the diatonic scale in solfeggio.
唱名语中自然音阶的第三个音
3.
The first tone of the diatonic scale in solfeggio.
多唱法中自然音阶的第一音
4.
A12-degree interval in a diatonic scale.
十二度音程在自然音阶上的一个十度音程
5.
A tone four degrees above or below a given tone in a diatonic scale.
第四音级自然音阶中高于或低于一给出音调四度的音调
6.
concrete music (music composed of natural sounds that are recorded and then rearranged)
具体音乐（将自然音响录制后重新改编而成者）.
7.
The second tone of the diatonic scale in solfeggio.
ray音音名中自然间阶的第二个音阶
8.
Investigating on Vowel's Overall Character of Human Languages Based on Comparing Sounds of Nature Language with IPA Pronunciation
自然语音与国际音标元音发音比较分析
9.
natural speech understanding systems
自然语言语音理解系统
10.
She sings with a natural voice.
她唱歌的嗓音很自然。
11.
Discrimination Between Chinese "xia zhi "Scale and Western Diatonia Scale;
中国下徵音阶与西方自然大、小调音阶辨析
12.
Research on Automatic Detection of Non-lexical Events in Spontaneous Speech
自然口语语音中非文字音频事件检测方法研究
13.
The accents seemed coarse and false.
那音调仿佛有些刺耳和不自然了。
14.
His voice was uncertain: it sounded unusual.
他的声音犹豫不决，听起来也不自然。
15.
Her voice was a little strained, a little unnatural.
她问，声音有点紧张，有点不自然。
16.
She is amusing herself with(by)listening to the classical music
她正在悠然自得地欣赏古典音乐。
17.
Stand up at the gospel of course.
朗诵福音书时，自然要起立喽。
18.
How odd that her voice sounded natural!
"多奇怪，她的声音听起来竟那么自然！