🧩 词语组成解析
alternative
[ɔl'tɝnətɪv]
adj. 替代的;备选的;其他的;另类的;
n. 可供选择的事物;
altern轮流的 + ative有...作用的（带此后缀的词有的可兼作名词） → 替换物;取舍,抉择
birth
[bə:θ]
n. 出生;分娩;起源;出身;
🗣️ 情景例句
What's wrong with him?
他怎么啦？
We have asked you to come to our Thank you Party today.
我们邀请你们参加我们今天的“感恩会”。
On this occasion, however, it had slowed down considerably.
然而这一次它的速度慢多了。