搜索优化
English
搜索
Copilot
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
房地产
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
按相关度排序
按时间排序
C&EN
1 年
Lesson 5.2: Surface Tension
The paper clip is more dense than water but can rest on the surface of the water because of the water's surface tension. Evidence of water's surface tension can be seen where the water strider's legs ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果
今日热点
Wisconsin school shooting
UKR details NK casualties
Tops box office again
Taiwan gets Abrams tanks
SCOTUS declines appeal
To join public domain
Injury data probe findings
Israel-Hamas war death toll
Johnson’s new budget plan
Canada’s minister resigns
CNN duped by prisoner?
US finalizes $9.63B loan
Adams' top advisor retires
Signs contract extension
Trump on pardoning Adams
‘Falcon Crest’ star dies
Impeachment trial begins
Brazil's Lula discharged
Grand slam ball auctioned
Foxx hit by thrown glass
Wins World Cup super-G
DNC holiday reception
Former SC congressman dies
Mahomes injury update
Brind'Amour gets NC honor
Loses confidence vote
Two held for drone use
To invest $100B in US
To settle wage theft case
Ex-informant pleads guilty
Assad evacuated by Russia?
反馈