牢固的用英语怎么说？

牢固的

• firm，secure，[法] strong，deep-set，locked-in

例句

• The students in middle schools should build up a solid foundation in English. 中学生学习英语时应打下牢固的基础。
• They had soon formed a firm friendship. 他们很快结成牢固的友谊。
• Our theory bottoms on a solid basis. 我们的理论建立在牢固的基础上。
• We wanted to bottom our plan on a solid basis. 我们想把我们的计划建立在牢固的基础上。
• The surface reactivity of many nonblack fillers generally precludes strong bonding with this type of matrix. 许多非碳黑填料的表面反应性一般阻碍与该种基质形成牢固的粘结.
• Emotional conflict may shake the foundations of even the strongest relationship. 情感冲突可以动摇哪怕是最牢固的人际关系的基础。
• Metals which were mutually soluble would tend to give strong junctions. 可互溶的金属趋向于产生牢固的结合点.
• To impress firmly; fix ineradicably. 留下牢固的印象; 打上不可磨灭的印记.
• Living in this goldfish bowl of publicity would crack the strongest marriage. 生活在这种全无隐私可言的环境之下，最牢固的婚姻也会破裂。
• Both clay and sandstone are unstable rock formations. 黏土和砂岩都是不牢固的岩石构造。