Sillar
n. [地]未固结熔灰岩, 未固结火山凝灰岩
🗣️ 情景例句
She's enthusiastic about the new teaching method.
她对新的教学方法很热心。
They intend to stop all traffic through the ports.
他们预定关闭港口的全部交通。
He is taller than I by ahead.
他比我高一头。