Delta seal
[化] 三角密封
🧩 词语组成解析
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
🗣️ 情景例句
I thought you'd all like it.
我料想你们都会喜欢的。
When ale (or drink or wine) is in wit is out.
贪杯丧智。
Yes, you're right.
对，你说得对。