Temperature reaction
[化] 升温反应
🧩 词语组成解析
🗣️ 情景例句
Something old ...
旧的东西……
I'm two years older than you are.
我比你小2岁。
it is extremely difficult to estimate the true value of the services which people perform for us.
但要估算别人为我们为所提供的服务的价值却是极其困难的。