occupational safety and health是什么意思 occupational safety and health在线中文翻译

occupational safety and health

中文翻译
1
[网络] 职业安全卫生;职业安全与健康;职业安全及健康

相关单词辨析

or: 或者,否则,常用于否定句中 I don't like apples or bananas. Hurry up or you'll miss the bus.
and: 并且,Hurry up and you'll catch the bus.