Dental floss
洁牙线\\n[医] 牙线
📖 牛津释义
dental floss
soft thread used for cleaning the gaps between the teeth 洁牙线（用以使牙缝清洁的软线）.
🧩 词语组成解析
dental
['dentl]
adj. 牙齿的;牙科的;（辅音）齿音的;
n. 齿音;
floss
[[flɔs]]
n. 丝棉, 乱丝
🗣️ 情景例句
They always were,
他们过去如此，
I may be wrong, but your theory is all wrong, professor.
也许我不对，不过，教授您的理论是完全错了。
One man was told to fix up an air-line to provide compressed air for the machines they were using.
有个工人被派去安装"供气管"，给他们正在使用的机器提供压缩空气。