Cataphorite
红钠闪石
🗣️ 情景例句
That's it.
对啦
A wise man needs not blush for changing his purpose.
智者不耻于改变初衷。
for fear the agents of other firms should be able to trace the kind of research they are likely to be undertaking.
他们生怕别的公司的情报人员据此摸到他们可能要从事的某项科研项目。