Synthetic filling
[医] 合成充填
🧩 词语组成解析
filling
['filiŋ]
n. 装满，填满;填充物;（糕点内的）馅;（织品的）纬纱;
v. 填满(fill的ing形式);
🗣️ 情景例句
He's so funny.
他喜欢开玩笑。
Do you have any goods to declare for customs?
你有任何物品要在海关呈报吗？
This echo-location in bats is often compared with radar, the principle of which is similar.
蝙蝠这种回声定位常常可与雷达相比较，其原理是相似的。