Gerstleyite
红硫锑砷钠矿
🗣️ 情景例句
You should save some money in case of urgent need.
你应该存点钱以备不时之需。
It's January the 15th, 1999.
今天是1999年1月15日。
The seeds must be carefully chosen; they must fall on good ground;
那就必然从精选良种做起，然后将其植入肥沃的土地，