Opencast mining
露天开采
🧩 词语组成解析
a. 露天开采的
mining
['mainiŋ]
n. 采矿（业）;
v. 在…中开采，开采(mine的现在分词);在…中[下]布雷;以地雷[水雷]炸毁;
🗣️ 情景例句
Why do prices always go up during Spring Festival?
为什么春节期间很多东西都会涨价？
Who is the greatest writer of our times?
谁是当代最伟大的作家？
More or less!
差不多！