Ledkore
有铅垫板的沥青防水层
🗣️ 情景例句
I had a busy day. I'm done.
我今天很忙，现在精疲力尽。
I'd like to make a reservation to Los Angeles for next Monday.
我想预定一张下周星期一去洛杉矶的飞机票。
In primitive cultures the obligation to seek and to receive the traditional instruction is binding to all.
在原始文化中，寻求和接受传统教育的义务对全民都有约束力。