http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
http://www.pons.de/produkte/3-12-517841-X/（牛津大学出版社授权产品）
I. weld [美 wɛld, 英 wɛld] 动词 trans
在《PONS词典》中的词汇
I. weld [weld] 动词 trans
在《PONS词典》中的词汇
| I | weld |
|---|---|
| you | weld |
| he/she/it | welds |
| we | weld |
| you | weld |
| they | weld |
| I | welded |
|---|---|
| you | welded |
| he/she/it | welded |
| we | welded |
| you | welded |
| they | welded |
| I | have | welded |
|---|---|---|
| you | have | welded |
| he/she/it | has | welded |
| we | have | welded |
| you | have | welded |
| they | have | welded |
| I | had | welded |
|---|---|---|
| you | had | welded |
| he/she/it | had | welded |
| we | had | welded |
| you | had | welded |
| they | had | welded |
单语范例（未经PONS编辑处理）
Alkenes from thermal cracking are readily available, but acetylene is not.
en.wikipedia.org Pure acetylene is odorless, but commercial grades usually have a marked odor due to impurities.
en.wikipedia.org This suffix arose as a collapsed form of the end of the word acetylene.
en.wikipedia.org The acetylene-gas illumination system could reliably be turned on and off automatically, enabling automated unattended lighthouses to be used.
en.wikipedia.org In 1919 the oil lantern was replaced with an acetylene light.
en.wikipedia.org 浏览词典
- acerbic
- acerbity
- acetaminophen
- acetate
- acetic
- acetylene welding
- ache
- achievable
- achieve
- achievement
- achiever