Tertiary recovery
[经] 三次开采
🧩 词语组成解析
tertiary
['tɝʃɪ'ɛri]
adj. 第三的;<医>第三期的;(T-)<地>第三纪的;<化>叔的;
n. (T-)<地>第三纪;第三系;三期梅毒病害;<宗>第三级教士;
🗣️ 情景例句
Can you do me a favor?
你能帮我个忙吗？
He's on the phone.
他在打电话。
Who was first? Who was second? Who was third?
谁是第一？谁是第二？谁是第三？