Water cement ratio
[化] 水灰比
?? 詞語組成解析
water
['w?t?]
n. 水;雨水;海水;海域;
v. 給…澆水;供以水;加水稀釋;流淚;
cement
[si'ment]
n. 水泥;膠合劑;膠接劑;粘固粉;
vt. 粘牢;鞏固;（用水泥、膠等）粘結;在…上抹水泥;
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
John Marchetta gave me my start here six years ago,
六年前 ，John Marchetta讓我在這兒起步，
Do you have your driver's license?
你有駕駛執照嗎？
Fine. What's the weather like in Beijing?
很好。北京的天氣怎樣？