underactv.不充份地表演；不卖力地演
underprep.低于；在 ... 下；在 ... 内；在 ... 控制下adv.在昏迷中；在 ... 下adj.下面的；从属的；少于的
under the proper condition在适当条件下
under the given conditions在给定的条件下
under symbiotic conditions共生条件下
underdriven vertical edger下传动的立辊轧机
undernutrition disturbance营养失调
undervoltage load shedding低压减载
under the cloak of illness借口生病
under action of earthquake地震作用下
under-voltage protection低电压保护装置
"the understood conditions of troop withdrawal were clear"
"gave silent consent"
"a tacit agreement"
"the understood provisos of a custody agreement"
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