Gsb
abbr. gypsum sheathing board 石膏（夹）衬板
🗣️ 情景例句
I'd like to get some of today's papers sent to my room.
我想要些今天的报纸送到我的房间。
Mr. Jones is a renowned international authority on the problem of overpopulation in developing countries.
琼斯先生在发展中国家人口过剩问题方面是声誉卓著的国际权威。
this little 'o' indicated that the train only stopped for mail.
这个标记表示列车是为装邮件而停车。