Design certificate
[化] 设计证书; 设计单位证书
🧩 词语组成解析
design
[dɪ'zaɪn]
vt.& vi. 设计;绘制;
vt. 设计;计划;企图;决意（做）;
n. 设计;图案;结构;计划;
vi. 设计略图;（为工艺品、装潢项目等）设计;当设计师;构思;
de使…成为，加强+sign做标志→设计，计划
certificate
[sɚ'tɪfɪkət]
n. 证明书;文凭，结业证书;
vt. 发给证明书;用证书证明（或认可）;
cert 搞清 + ifi=fy表动词 + cate表名词 → certify搞清楚=证明+ cate表名词 → 证件
🗣️ 情景例句
Why don't we get in the car and drive home?
我们何不开车回家？
A ready way to lose friend is to lend him money.
失友都因借钱起。
and we have to lower into the ground and haul out of the ground great lengths of drill pipe which are rotated by an engine at the top and are fitted with a cutting bit at the bottom.
我们必须把很长的钻杆一节节地钻入地下，然后再从地下拉出来。钻杆顶部安装的发动机带动钻杆旋转，它的底部装有钻头。