1.undergoing 经历
This powerful drug is used to tranquilize patients undergoing surgery.
这种强效药剂被用来麻醉手术病人 。
2.temperatures 温度
The material requires higher temperatures and pressures to set hard.
这种材料需要有更高的温度和压力才能凝结变硬 。
3.seafloor 海底
Abundant data and samples have been recovered by ocean drilling for studying the seafloor hydrothermal activity.
大洋钻探为海底热液活动研究提供了大量数据资料和样品 。
4.seasonal 季节性的
Farm work is seasonal, so we must race against time.
农活有季节性,必须抢时间 。
5.The research represents new evidence of the major climate changes Earth has experienced in the past - and is currently undergoing today.
climate changes 气候变化
If climate changes continue, we will suffer the consequences.
如果气候变化继续下去,我们将自食其果 。
These animals became extinct because of climate changes and human activities.
由于气候变化和人类活动,这些动物逐渐灭绝了 。
6.The research represents new evidence of the major climate changes Earth has experienced in the past - and is currently undergoing today.
in the past 过去
We did an analysis of the way that government money has been spent in the past.
我们分析了政府资金过去的使用情况 。
The incidence of this disease has dropped considerably in the past few years.
近几年这种病的发病率大大降低了 。