"hazardous duty"
"the first task is the assignment of an address to each datum"
"the appointment had to be approved by the whole committee"
assignment是什么意思
assignments是什么意思
assignor是什么意思
assimilability是什么意思
assimilable是什么意思
assimilate是什么意思
assimilation是什么意思
assimilative是什么意思
assist是什么意思
assistance是什么意思