Biphenylyloxy
联苯氧基
🗣️ 情景例句
If you've been with someone for this length of time you'll have to ask yourself what reservations have I got?
如果你和某人生活了这么长时间，你得问一下自己，你对这段婚姻满意吗？
What shall I send hin for his anniversary?
我要送他什么东西作为周年纪念礼物？
What a pity!
真遗憾！