Conical head
[化] 锥形封头
🧩 词语组成解析
a. 圆锥形的, 圆锥的\\n[计] 圆锥的
head
[hed]
n. 上端;头脑;头部;首脑，首长;
vt. 用头顶;前进;作为…的首领;站在…的前头;
vi. 朝…行进;出发;向…方向移动;船驶往;
adj. 头的;在前头的;首要的;在顶端的;
🗣️ 情景例句
He came down with the flu, so he didn't go to work.
他感冒了，所以没去上班。
All things are difficult before they are easy.
凡事都是先难后易。
Knowledge began to increase as soon as the thoughts of one individual could be communicated to another by means of speech.
人一旦能用语言同别人交流思想，知识的积累便开始了。