serene
adj
calm and peaceful; tranquil 平静的; 宁静的: a serene sky 晴朗的天空
a serene look, smile, etc 安详的神情、 笑容等
In spite of the panic, she remained serene and in control. 尽管人心惶惶, 但她却泰然自若.
If you want to send a letter to an office abroad that is in a different time zone, you can send a fax, and it will be received even though the office is not open.
如果你要寄信到不同时区的国外办公室,你可以发个传真,即使办公室不开门,信也会被收到。
The sides of the deer were coloured with a reddish-brown paint.