Innocuous substance
[化] 无害物质
🧩 词语组成解析
🗣️ 情景例句
Seven after nine? No. I'm sure he's in his office.
九点零七分 ，不会太早的。我肯定他到办公室了。
Old wood is best to burn, old book to read.
老柴好烧，老书宜读。
When I boarded the train, I could not help noticing that a great many local people got on as well.
上车后，我不禁注意到许多当地人也上了车。