Steining
井内砌圈, 砖石支护
🗣️ 情景例句
Please remain calm, sir. Just give me your name and your location.
请保持镇静，先生。告诉我你的名字和所在地点。
Who is the greatest writer of our times?
谁是当代最伟大的作家？
but while the drum was being shaken,
但是，圆筒受到震动，