-----------------------------------
第一， 第１， だいいち
1. first, foremost, number one
2. most important
3. best, greatest, most
4. above all, besides, in any case, to begin with
第一，首要，第一位；最重要的；最，最伟大的，最多的；首先，此外，无论如何，首先
-----------------------------------
を
1. indicates direct object of action
2. indicates subject of causative expression
3. indicates an area traversed
4. indicates time (period) over which action takes place
5. indicates point of departure or separation of action
6. indicates object of d...
表示动作的直接对象；表示经过的场所；表示离开或分开的点
-----------------------------------
出産， しゅっさん
1. childbirth, (giving) birth, delivery, parturition
2. production (of goods)
tbd
