Be clearly defined against
在…的衬託下轮廓分明
🧩 词语组成解析
be
[bi]
v. 是;有，存在;做，成为;发生;
aux. 用来表示某人或某物即主语本身，用来表示某人或某物属于某一群体或有某种性质;
clearly
['klɪrli]
adv. 明亮地;明净地;明确地;显然地;
a. 清晰的, 轮廓分明的；有定义的, 确定的
🗣️ 情景例句
I was very sad indeed to hear about it.
听了这件事，我的确非常难过。
We assume that damage occurred while the consignment was in your care.
我们认为货物是在你方保管时受到损害的。
below 20 per cent, its bactericidal action is negligible.
浓度低于20％时，杀菌能力基本上就不存在了。