Shielding gas
[化] 保护气; 保护气体
🧩 词语组成解析
shielding
[['ʃi:ldiŋ]]
[计] 屏幕, 掩盖, 隔离\\n[化] 屏蔽
gas
[gæs]
n. 气体;[矿业] 瓦斯;汽油;毒气;
vt. 加油;毒（死）;
vi. 加油;放出气体;空谈;
int. 该死！（令人气愤的人应即被送毒气室处死）;
🗣️ 情景例句
It's time I was off.
我该走了。
I used to work until nearly 6:00 o'clock each day.
我过去每天常工作直到将近6:00点钟。
I don't think it is advisable that Tom be assigned to the job since he has no experience.
我觉得把这工作交给汤姆做并不明智，因为他没有经验。