Regioselective reaction
[化] 区域选择性反应
🧩 词语组成解析
[机] 特定选择的
🗣️ 情景例句
What pretty flowers! Thank you.
好漂亮的花!谢谢你。
To hear a hundred times is not so good as to see once.
百闻不如一见。
We'll order after we see the sample.
我们要看过样品才会下订单。