.??【常见collocations】safety precautions平安防备办法;precautions against fire防火办法;take precautions采纳避免办法;as a precaution作为避免(以防如果).??【描述词方法】precautionary?/pr??k????n?ri/?避免的.??【
常见collocations】a precautionary measure避免办法.
考研网上培训辅导班
考研网上培训辅导班
.??【常见collocations】safety precautions平安防备办法;precautions against fire防火办法;take precautions采纳避免办法;as a precaution作为避免(以防如果).??【描述词方法】precautionary?/pr??k????n?ri/?避免的.??【
常见collocations】a precautionary measure避免办法.