用poisonous substance造句子,“poisonous substance”造句
來源:國語幫 1.57W
For example, in the LD50 test, subjects are forced to ingest poisonous substances (through stomach tubes, vapor spray inhalers or injection) until half of them die.
Providing that safe tolerances be set for unavoidable poisonous substances.
The system acts on useful medications in the same way as it does on poisonous substances.