Polystep reaction
[化] 多步反应
🧩 词语组成解析
🗣️ 情景例句
Most of what we see in the fashion shows is quite impractical for daily wear.
时装表演上我们所看到的大多数服装并不适合于做日常衣着。
How long have you been studying English?
你学了多长时间的英语了？
I shall never forget that extraordinary evening.
我永远忘记不了那个不平凡的夜晚。