Temporary parasitism
[医] 暂时寄生
🧩 词语组成解析
n. 寄生, 寄生习惯, 寄生状态, 寄生现象\\n[医] 寄生; 寄生物感染
🗣️ 情景例句
We were both on the tennis team.
我们都是网球队的队员。
What we are ignorant of is immense.
我们不知道的东西多得不可胜数。
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。