🧩 词语组成解析
🗣️ 情景例句
You never know what you can do till you try.
除非尝试，否则你永远都不知道你有何价值。
I am Jason Liu and I'm working for an insurance company in Shenzhen.
我叫杰森.刘，在深圳一家保险公司工作。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。