🧩 词语组成解析
[医] 单位
🗣️ 情景例句
Lacks tact.
不够机敏。
That house is for sale.It has central heating.
那幢房子是待售的，它有中央暖气系统。
as the wave leaves the particles behind back to its starting point again.
当波浪把微粒留在身后时又回到出发点。