Hexynic acid
[化] 己炔酸
🧩 词语组成解析
🗣️ 情景例句
One of the critics is coming over this morning for a preview.
一位评论家今天早上要来看预展。
Take two pills and have a good rest.
吃两片药，好好休息一下。
the young man has a glorious future before him and the old one has a splendid future behind him:
青年人有光辉灿烂的前景，而老年人的辉煌已成为过去。