Hey reaction

[化] 黑氏合成法

🧩 词语组成解析

hey [hei]
int. (用以引起注意,表示惊异或询问)嘿,喂;你好!(表示问候);咳; n. 干草(等于hay);
reaction [rɪ'ækʃən]
n. 反应;反作用力;反动;保守;
re向后,相反+act行动+ion名词后缀→反动,反应

🗣️ 情景例句

Yes, he makes house calls, but the doctor has an opening only after 2:00 p.m.
好,他愿出诊,但他在下午2点后才有空。
The good seaman is known in bad weather.
坏天气才能认识良好的海员。
Every day he does the same thing. Why doesn't he use the lift for the last three floors?
每天他都这样度过。为什么上最后3层楼他不用电梯呢?
更多情景英语 ›

🔤 更多 H 开头的单词

hap [hæp]
hawser ['hɔ:zə]
全部 H 开头单词 ›