Pr.
[医] 老视, 棱晶, 棱镜, 镨(59号元素)
🗣️ 情景例句
Different kinds of activities, such as commenmorative meetings, planting trees,
举行各种各样的活动，例如召开纪念大会，植树造林，
We guarantee quality products which can stand fierce competition.
我们保证提供能经得起激烈竞争的高质量产品。
Yes, I can. Where are they?
是的，我能听到。它们在哪儿？