American oak
[机] 美栎
🧩 词语组成解析
American
[ə'merikən]
n. 美国人;美洲人; 美国英语;
adj. 美国的 ;美洲的;地道美国式的;
oak
[əuk]
n. 栎树;橡木色;栎木，橡木;橡木家具;
adj. 栎树的;栎木制的;
🗣️ 情景例句
You're right, Robbie.
你说得对 ，Robbie。
He devoted himself completely to his work.
他完全投身于工作。
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。