Enveloping line
[化] 包络线
🧩 词语组成解析
v. 包围, 笼罩, 包住( envelop的现在分词 )
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
Oh, it's a quarter to four,
噢 ，差十五分就四点了，
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。
Are you ready to sign?
准备好可以签名了吗？