Trench-system
堑壕体系
🧩 词语组成解析
🗣️ 情景例句
She went to a school-board meeting.
她去参加联合校董会会议了。
Although it rains, throw not away your watering pot.
纵然天下雨，休把水壶丢。
Some children are coming out of the building.
一些孩子正从楼里出来。