Heptanedioic acid
[化] 庚二酸
🧩 词语组成解析
🗣️ 情景例句
Keep this information confidential, other companies would kill to get their hands on this.
这些资料可要保密，其他公司千方百计想得到它。
I played ping-pong this morning.
我今早在打乒乓球。
The world had to wait almost another 100 years for the Channel Tunnel.
世界不得不再等将近100年才看到海峡隧道竣工。