Under Secretary-General联合国副秘书长
Under Factory-CdM墨西哥城
under tail-covers后覆尾羽
Under re-constructuring公司网址
Under cyber-attack在网络攻击环境下
UNDER ELECTRO-PLATING电镀不足
under safe-conduct翻译
underline under line-线
under x-rayx线下
PREFIX（前缀） Under- is used to form words that express the idea that there is not enough of something. For example if people are underfed, they are not getting enough food. 表示“不够”
Make sure that you are not underinsured.
确保你的保险是足额的。
PREFIX（前缀） Under- is added to the beginning of nouns that refer to a job or rank in order to form nouns that refer to a less important job or rank. 用在名词前表示“低于...”
...the new undersecretary of education.
...新的副教育部长。