1) cannot do it without authorization
未便擅自处理
4) Without asking permission;rudely
擅自;未经许可;粗暴地
5) absence without leave
擅离职守;未经请假擅自缺勤
6) excreta disposal
粪便处理
1.
Commodes for excreta disposal and the agricultural use of night soil were two fine Chinese folk practices,which,if utilized appropriately,were both sanitary and practical,changing waste materials into things of value and helping to conserve water and soil and protect .
由于当时社会缺乏现代卫生意识和控制机制,对粪便处理和农用放任自流,血吸虫卵经粪便大量进入水网。
补充资料：未便
1.不要立即;没有立即。 2.不适应。 3.不当，未妥。 4.不方便;不适宜。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条