Cbrn
abbr. chemical; biological; radiological and nuclear 化学; 生物
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
I hope this will lead to further business between us.
我希望这次交易将使我们之间的贸易得到进一步发展。
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。