Opencut
a. 露天开采的
🗣️ 情景例句
In the Spring and Autumn period, copper and iron chopsticks came into being.
在春秋时代又出现了铜制和铁制的筷子。
Whom will you invite to the wedding?
你将邀请谁参加婚礼？
Jim, is this your cup?
吉姆，这是你的杯子吗？