Transvaalite
羟钴矿
🗣️ 情景例句
Where did you get such a nice tan?
你到哪把皮肤晒成棕色的？
The doctor is often more to be feared than the disease.
医生往往比疾病更令人生畏。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，