🧩 词语组成解析
[医] 椎骨体的
vein
[ven]
n. 静脉;[地]矿脉，岩脉;[植]叶脉;气质，倾向;
v. 使有脉络;使有纹理;象脉络般分布于;
🗣️ 情景例句
A lot of people would like my help.
许多人要我帮助。
What is the weather like in this country?
这个国家的气候如何？
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，