Pentabromated
五溴化的
🗣️ 情景例句
How are you getting on with your studies?
你功课情况如何？
She is the boss in the house.
她是一家之主。
After the alarm had been given, the great ship turned sharply to avoid a direct collision.
警报响过不久，巨轮急转弯，以避免与冰山正面相撞。