Crossed contamination
[化] 交叉污染
🧩 词语组成解析
a. 十字的, 划掉的, 交叉的\\n[计] 交叉的
contamination
[kənˌtæmi'neiʃən]
n. 污染;弄脏;毒害;玷污;
🗣️ 情景例句
We should all take a little break before dessert.
吃甜点之前我们大家应该稍微休息一下。
How much is the postage for this?
这个邮费要多少钱？
when she remembered that she had gone shopping after the home help had left and she knew that she had turned both keys in their locks,
但突然记起来了，帮手是在她出去买东西之前走的，她还记得曾用了两把钥匙把大门锁上了。