n.垂直帆缘；后缘
=leech.
v.过滤；萃取；溶解出
You should open the leach a little bit. 你应当将帆后边打开。
用作动词 (v.)It's not easy to leach out the black colour 将那黑色去掉是不容易的。
Nitrates leach from the soil into rivers. 硝酸盐由土壤渗入江河。
Liquid water can leach soluble materials from the interface. 液态水能够从界面溶解出可溶性物质。
