Innocuous substance
[化] 无害物质
🧩 词语组成解析
🗣️ 情景例句
When you learn a new verb, learn its various forms.
学到了新动词时，记住它的各种形式。
That's amazing! I t sure looks expensive.
真想不到！看上去肯定以为很贵。
I think the shop is closed at this time of day.
我想商店在这个时间已经关门了。