Procatarxis
[醫(yī)] 素因, 素質(zhì)
??? 情景例句
It's getting late.
時間不早了。
Janet winked at her boy friend.
珍妮向男朋友眨眨眼。
so every so often a sample is obtained with a coring bit.
因此時常要用取芯鉆頭取樣。