Tetrabrominated
四溴化的
🗣️ 情景例句
You think I can just skip it now and get to it at college?
你想我现在略过数学， 等到上了大学再学， 可以吗？
Steel ball
钢珠
The Great St.Bernard Pass connects Switzerland to Italy.
圣伯纳德大山口连接着瑞士与意大利，