🧩 词语组成解析
[医] 钴(27号元素)
a. 正在发生的, 偶然发生的
🗣️ 情景例句
How do you stay so young-looking?
你怎样保持如此年轻的？
It's faster but more expensive to ship goods by air.
空运较快但运费较高。
We are all very excited and are looking forward to the Olympic Games because they have never been held before in this country.
我们都非常激动，盼望着奥运会的到来，因为在这个国家里还从未举办过奥运会。