词汇知识
根据英文解释及首字母写出下列单词。
s____________ giving satisfaction
b____________ person whose job is cutting men’s hair
v____________ person who offers to do something without being paid
s____________ very steep
r____________ have a high opinion of something or somebody
t____________ the total number of being killed
c____________ shaped like a circle；round
e____________ meet by chance；find oneself faced by something difficult
p____________ deep；very great
m____________ task；duty；responsibility