严密 (yán mì) — tight; strict

严密

yán mì

HSK 7

tightstrictclosely controlledrigorous and thorough

就这个词提问

严

strict, rigorous, rigid; stern

部首一部件 ⿻亚厂

密

secret, confidential; intimate, close; dense, thick

部首宀部件 ⿱宓山