题目内容
根据英语解释，写出单词，首字母已给出
s________ a plant that grows in the sea．
t________ a meal that you buy at a shop or restaurant to eat at home．
s________：(v．)move quickly, from side to side, up and down, etc．
根据英语解释，写出单词。
d ________ give something to people in need
c ________ organizations for helping people in need
