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最先端， 最尖端， さいせんたん
1. cutting edge, leading edge, forefront, state of the art
2. tip, end
tbd
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扱う， あつかう
1. to deal with (a person), to treat, to handle, to take care of, to entertain
2. to deal with (a problem), to handle, to manage
3. to operate (e.g. a machine), to handle, to work
4. to deal in, to sell
5. to cover (a topic), to treat, to discuss, to...
处理(针对某人)，对待，处理，照顾，招待；处理(一个问题)，处理，管理
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勤める， 務める， つとめる
1. to work (for), to be employed (at), to serve (in)
2. to serve (as), to act (as), to fill (the position of), to play the role (of)
3. to conduct a religious service
为……工作；在……任职；在……服务；担任(某职务)，充当(某角色)，填补(该职位)，扮演(该角色)；举行宗教仪式