Some sedatives produce the para-doxical effect of making the person more anxious.一些镇静剂适得其反，加重了患者的焦虑。A wide variety of mild sedatives and tranquilizers have become available.现在有许多种镇静剂和安定剂.Since July 1967 there has been a ...
被控告的这些男子受到相对较轻的判决。The accused men have been given relatively light sentences.氦是一种非常轻的气体。Helium is a very light gas.通常睡眠轻的婴儿长大后仍然只需要较少的睡眠。Wakeful babies will often continue to need little sleep as they grow older....