The video owner has disabled playback on external websites.

This video is no longer available on YouTube.

This video cannot be played right now.

Watch on YouTube

解锁AI学习工具

注册即可使用强大工具，帮助你从每个视频中更快地学习。

场景解析 短语猎手 词卡复习 跟读练习 语音回放
免费注册
B1 中级 葡萄牙语 24:43 Educational

CHEMICAL BONDS | OCTET RULE | IONIC, COVALENT AND METALLIC | REVIEW

Professor Igor Química · 1,273,503 次观看 · 添加于 2 个月前

学习统计

B1

CEFR 等级

5/10

难度

用练习题学习

从这个视频生成词汇、语法和理解练习

词汇与语法 理解测验 雅思考试 写作练习
注册开始练习

评论 (0)

登录后评论
还没有评论。成为第一个分享想法的人！

注册解锁全部功能

追踪进度、保存词汇、练习题目

免费注册 登录

相关视频

Documentário | Caixa D’Água do Brasil | EPISÓDIO 1

B1 25:36

Maktub! Jade and Lucas end up together in the end! | The Clone | Worth Watching Again

B1 2:24

Lailtinho no SE LIGA NO HUMOR - Episódio VIAGEM DOS SONHOS

B1 4:03

Quim Roscas e Zeca Estancionâncio apoiam A GAIOLA DOURADA!

B1 1:29

16 Essential Tips for Planning Your Trip to Thailand

B1 14:08
Professor Igor Química

Professor Igor Química

免费开始学语言

免费注册