Identification of poison
[法] 毒物鉴定
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
poison
['pɔɪzn]
n. 毒药;酒;极糟的食物;极有害的思想（或心情等）;
vt. 毒死;污染;放毒于;对…有不良影响;
adj. 有毒的;
🗣️ 情景例句
It's good! It's this Sunday at 7.
好极了。宴会再本周日7点。
When did you arrive?
你什么时候到达?
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。