W-reactive dyes
[化] W型反应染料; W型活性染料
🧩 词语组成解析
reactive
[[ri'æktiv]]
a. 反动的, 反应的\\n[医] 反应的
n. 染料, 染色（dye复数形式）
🗣️ 情景例句
Where?
在什么地方？
How many passengers were on the train?
在火车上有多少旅客？
Perhaps in those days I was. Pierre and I did have a very good time at the ball. But that was the last moment of happiness in our lives. That night everything changed.
那时候，我也许是个漂亮姑娘。我和比尔在舞会上的确玩得很痛快。不过，那是我们一生中最后的幸福时刻。那天晚上一切都变了。