additives at additional的用法和样例：
- The little girl is not very clever at addition.
- Especially, the monodispersed parallelogram-like CaOx crystals can be produced by PSMA as an additive at pH 2.
特别当pH等于2, 有PSMA存在时, 单分散的平行四边形颗粒能够被制备。
- The scope can be enlarged by the use of pre-formed ceramic cores at additional cost, only economical for large quantities.
- He arrived at the meeting place beforehand.