1.
Please compose yourself; there's no need to get excited!

请镇静, 不必激动!
2.
He is as sober as a judge.

他十分镇静、严肃。
3.
dead-melted steel

镇静钢, 全脱氧钢
4.
She always remains cool , calm and collect In a crisis

她在危难中总能保持冷静、 平静和镇静
5.
She always remains cool, calm and collected in a crisis.

她在危难中总能保持冷静、 平静和镇静.
6.
Inducing sleep or sedation;soporific.

安神的,麻醉的,镇静的
7.
Hurstwood watched him calmly.

赫斯渥镇静地看着他。
8.
He said so with forced calm.

他故作镇静地这样说。
9.
He will take it in his strides.

他将镇静地处理这件事。
10.
admitted Bill calmly.

比尔镇静地承认道。
11.
A isovaleryl diethylamine

(镇静药) 异戊酰二乙胺
12.
She's on (ie is taking) tranquillizers.

她经常使用镇静剂.
13.
The effects of the sedative have gone off.

镇静剂的作用消失了。
14.
non-piping steel

无缩孔钢, 半镇静钢
15.
Keep calm: don't lose your composure!

保持镇静,不要慌张。
16.
Outwardly she looked calm.

从外表上看她很镇静。
17.
She fought to regain her composure.

竭力使自己恢复镇静。
18.
I had much presence of mind to bring myself off.

我十分镇静地逃了出来。