Stive
粉末, 粉尘
🗣️ 情景例句
Be on your guard.
你要提防着点儿。
I'm going to show him how to swim.
我正要指点他如何游泳。
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。