- 重点词汇
- 呕吐
vomit; throw up; retch; puke; heave; spew; regurgitate; disgorge; be sick; barf; hurl; gag; upchuck; chunder; blow chunks; spit up; bring up; lose your lunch; sick to your stomach; sick up; vomiting; emesis; throw-up
- 分级
grade; classify; stratify; rank; categorize; graded; hierarchical; stratified; rating; grading; classification; stratification; hierarchy
- 量表
scale; inventory; measuring scale