a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor
a noncommissioned officer in the Navy or Coast Guard with a rank comparable to sergeant in the Army
a European river; flows into the Adriatic Sea
an independent agency of the federal government responsible for mail delivery (and sometimes telecommunications) between individuals and businesses in the United States
双语例句
1. Coltrane took a rather po-faced view of this.
柯川对此的看法相当一本正经。
来自柯林斯例句
2. Radio Netherlands, PO Box 222, Hilversum
希尔弗瑟姆邮政信箱222号，荷兰广播电台
来自《权威词典》
3. Use a big PO bag and 6 dryer in each packing box.
包装箱内增加一个大PO袋,每箱增加6包干燥剂.
来自互联网
4. File POR , PO document and other paper job related to purchasing.
PO等其他相关文件资料的归档.
来自互联网
5. This PO is newly updated according to customers'feedback. Please check it.
