Polybrominated
(=polybromated)多溴化的
🗣️ 情景例句
We've been driving for hours with no gas station in sight.
我们开车开了好久也没有看到一个加油站。
Is this your pen? I found it under the desk.
这是你的笔吗？我在桌下捡的。
then administrative overheads will be low.
行政管理费用就会降低。