Hardening by hammer(ing)
[化] 錘擊硬化
?? 詞語組成解析
n. 硬化, 淬火\\n[計] 硬化, 固化, 淬火
by
[ba?]
prep. 在…旁邊;表示方式;由于;經過;
adv. 經過;表示保留或保存時用;短暫拜訪;
??? 情景例句
What's your second language in addition to Chinese?
除了漢語以外，你的第二語言是什么？
I won't blame you.
我不會怪你的。
Bones were carved into needles and tools, and the teeth were used to make necklaces.
骨頭則雕琢成針和工具，牙齒用來作項鏈。