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
No, I didn't.
没有。
Jack will feel sorry when she leaves.
她一走,杰克会觉得悲伤的。
since ground stations and satellites cannot see everywhere.