floss
n[U]
1 rough silk threads from the outside of a silkworm's cocoon (蚕茧外层的)粗丝.
2 (also 'floss silk) spun (but not twisted) silk thread used for embroidery 刺绣用的丝线.
🗣️ 情景例句
I know you 're a CPA.
我知道你是一位会计师。
Do not count your chickens before they are hatched.