Upperclassman
n. 高年级学生, 大学四年级学生, 大学三年级学生
🗣️ 情景例句
You are a walking dictionary.
你是活字典。
Wise up!
别傻了！
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。