Willemite
n. 硅锌矿
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
No, Jack. You must go on.
不行，杰克。你必须继续下去。
Similarly, our own present primitive chemical rockets, though good enough to orbit men,
同样，我们目前使用的原始化学火箭，虽然可以把人送入轨道，