嗅觉检查的未端。

The end of the sniff check.

youdao

请仅通过嗅觉来检查建筑物是否煤气泄漏。

When checking buildings for gas leaks, use your sense of smell only.

youdao

请仅通过嗅觉来检查建筑物是否煤气泄漏。

When checking buildings for gas leaks, use your sense of smell only.

youdao