at all times
adv.一直
at a loose end
adv.闲着
at any rate
adv.无论如何,至少
at.bus
AT总线
at christmas
在圣诞节
atelectatic
adj.医~肺膨胀不全的
ateliosis
n.发育不完全
at every turn
adv.事事,经常
at first appearance
adv.初看起来
at full speed
以高速度