Divinylacetylene
[化] 二乙烯基乙炔
🗣️ 情景例句
Bye.
再见。
Referring to your inquiry letter dated 29th September, we are offering you the following subject to our final confirmation.
关于贵方9月29日的询价信，我方就如下产品报价，以我方最后确认为准。
Old tunes are sweetest and old friends are surest.
老调最甜美，老友最可靠。