- Cyclization occurs readily with dilute alkali .
- Zinc displaces the hydrogen of dilute acids .
- I mean that my car was pounced all over .
- The burning gases can ignite the lean mixture .
- The crash reduced the car to squash .
- When a thing is scarce , it is precious .
- I 'd like to have some liquid food .
- The samples are collected in perforated polyethylene bags .
- Small trees became thinly scattered among less dense thickets .
- Butter oils when heated .