Off grade metal
[化] 等外金属
🧩 词语组成解析
off
[ɔ:f, ɔf]
prep. 从…落下;离开;从…去掉;下班;
adv. 离开;距，离;被取消;下班;
adj. 不新鲜的;不能接受;不礼貌;
n. 起跑;
v. 杀死;
metal
['mɛtl]
n. 金属;金属元素;成色;金色;
vt. 以金属覆盖;
🗣️ 情景例句
Richard tells me you're a doctor.
Richard告诉我您是医生。
You are still thinking about a Ph.D., aren't you?
你还是想学成博士，是吗？
That was really unsettling,
这真叫人不好意思，