Antrum
n. 窦, 房\\n[医] 窦, 房
🗣️ 情景例句
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
When I slept, he was out.
当我睡了时候，他外出了。
I hid in a farmer's cart which was taking vegetables into the castle.
我藏在一个农民的车子里，车子正往城里送菜。