🧩 词语组成解析
feed
[fid]
vt. 喂养;满足（欲望等）;向…提供;供…作食物;
vi. 吃，以…为食;流入，注入，进入（如油流入机器）;[电子学]馈入;
n. 饲料（尤指粗饲料），施肥;喂送;草料;（尤指向地方性电视台）馈送电视节目;
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
You must be very popular.
你一定很受欢迎。
Every man has his hobby-horse.
人各有所好。
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨头则雕琢成针和工具，牙齿用来作项链。