Stercorol
尿胆素
🗣️ 情景例句
but I really enjoy it.
但我确实乐在工作。
A close mouth catches no flies.
病从口入，祸从口出。
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。