西方安全专家近日曾警告明珠酒店，说他们的安全措施不足，容易成为攻击目标。
Western security experts had recently warned management at the Pearl Hotel that its security was not sufficient and that it could easily be targeted.
此外，笔者曾看到一颗用重晶石制成的所谓夜明珠。
In addition, I have seen one made with barite the so-called glowing pearl.
问题补充： 下司古镇，曾被人誉为“小上海”、有“清水江上的明珠”之美称。
Secretary under the town, who had been hailed as "little Shanghai", the "pearl of the river water" reputation.
应用推荐