Actuating ratio
[電] 致動比
?? 詞語組成解析
[計] 啟動
ratio
['rei?i?u]
n. 比，比率;比例;系數;
vt. 求出比值，除，使…成比例;將（相片）按比例放大[縮小];
??? 情景例句
If you fail this test you'll be kicked out of school.
你這次考試要是不過就得離校。
To row a boat
劃小舟
It's a small blue case and it's got a zip.
是只藍色的小箱子，上面有拉鏈。