Derrick crane
[化] 转臂起重机; 动臂起重机; 全转式起重机
🧩 词语组成解析
derrick
['derik]
n. 起重机;（油井的）井架;
crane
[kren]
n. 吊车，起重机;鹤;
vt.& vi. 伸长，探头;
vi. 迟疑，踌躇;
🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
How soon can you have your product ready?
你们多久才可以把产品准备好呢？
Vipers (adders) and rattlesnakes manufacture the blood poison, which is known as haemolytic.
蝰蛇（蝮蛇）和响尾蛇产生血液毒素，称为溶血性毒液。