Test for contamination
[化] 污染试验
🧩 词语组成解析
for
[fɚ]
prep. 为，为了;倾向于;关于;当作;
conj. 因为，由于;
contamination
[kənˌtæmi'neiʃən]
n. 污染;弄脏;毒害;玷污;
🗣️ 情景例句
Daddy, can we go soon?
爸爸 ，我们能快点走吗？
He devoted his life to promoting world peace.
他一生致力于促进世界和平。
How did the bees know exactly in which diection to fly?
蜜蜂是怎样确切地知道朝哪个方向飞呢？