Lacunal
a. 有孔的, 空隙的
🗣️ 情景例句
Will he be OK, Dad?
他会没事吗， 爸爸？
Thrift is good revenue.
节约是个好收入。
Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。