立彬の日本語
通常の睡眠は２つの段階からなる。
tbd
Normal sleep is made up of two phases.
360
-----------------------------------
通常， つうじょう
1. usual, ordinary, normal, regular, general, common
通常的，普通的，正常的，常规的，一般的，常见的
-----------------------------------
睡眠， すいみん
1. sleep
睡眠
-----------------------------------
二つ， ２つ， ふたつ
1. two
两个
-----------------------------------
からなる， から成る
1. consists of, comprises, is made up of
tbd
は
1. indicates sentence topic
2. indicates contrast with another option (stated or unstated)
3. adds emphasis
指示句子的主题；表示与另一选项（无论是否明确提及）形成对比；表示强调
の
1. indicates possessive
2. nominalizes verbs and adjectives
3. substitutes for "ga" in subordinate phrases
4. (at sentence-end, falling tone) indicates a confident conclusion
5. (at sentence-end) indicates emotional emphasis
6. (at sentence-end, risi...
句尾起强调作用；助词，表示所有关系