多边投资担保机构的英文：
multilateral investment guarantee agency; security agency for multilateral investment

参考例句：

Application fee [MIGA]: Fee charged for every definitive application for a guarantee filed with MIGA.
申请费[多边投资担保机构]:对多边投资担保机构提出的每一正式担保申请所收取的费用。

Arbitral Tribunal [ICSID; MIGA]
仲裁法庭[解决投资争端国际中心;多边投资担保机构]

Framework cooperative arrangement [MIGA]
合作安排框架[多边投资担保机构]

multilateral是什么意思：
adj. 多边的，多国的

Here too a multilateral approach is required.
这点也要求一种多边关系手段。

China has conducted fruitful diplomatic activities in both bilateral and multilateral contexts.
我国进行了卓有成效的双边和多边外交活动。

The International Plant Protection Convention (IPPC) is a multilateral treaty for plant protection and quarantine.
国际植物保护公约(IPPC)是一个植物保护和植物检疫的多边公约。

investment是什么意思：
n. 投资（额）；投入；可投资的东西

invest material
覆盖材料

profits and losses on disposal of investments
转让投资的损益

He bought it purely as an investment.
他纯粹是作为投资而购买的。

guarantee是什么意思：
v. 保证；担保
n. 保证，担保；保证人；保证书；担保金，担保物；保修单

Super low compression set guarantes its good sealed performance.
◆ 超低的压缩永久变形，保证了产品的长期良好密封效果。

guaranteed surrender value
保证退保现金价值

It's guaranteed to rain.
肯定是要下雨的。