🧩 词语组成解析
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
Sure, but never before have we had payment in RMB.
当然可以，不过我们从来没有用过人民币付款。
He operates the crane.
他在操纵起重机。
The problem now facing humanity is: What is going to be done with all this knowledge?
用这些知识去做什么？