🧩 词语组成解析
heavy
['hɛvi]
adj. 重的，沉重的;大量的，浓密的;激烈的;重型的;
n. 重物;庄重的角色;
adv. 密集地;大量地;笨重地;
coated
[['kəutid]]
a. 穿外套的, 上涂料的\\n[建] 包著的, 套著的, 涂过
🗣️ 情景例句
No, thank you. It's too late. I really have to go.
不，谢谢。太晚了，我真的该走了。
I didn't do it on purpose.
我不是故意的。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。