Polyacetylenes
多炔
🗣️ 情景例句
She has a special way with kids.
她对孩子很有一套。
A rainbow appears.
彩虹出现了。
They are not anxious social climbers, and they have no devotion to material things.
他们不热衷于向上爬，也不一味追求物质享受。