Bone marrow
[ ['bəun ˌmærəu] ]
辅助 Assistant
n. 骨髓
🧩 词语组成解析
bone
[bon]
n. 骨头;尸骨;骨质物;有…样的骨头的;
vt. 挑鱼刺，剔骨头;剔去…的骨;
vi. 苦学;专心致志;
marrow
['mæro]
n. 骨髓;脊髓;滋养品;〈英〉食用葫芦;
🗣️ 情景例句
And these are pictures of people working:steelworkers, bankers, police, street vendors,ambulance drivers, doctors….
这是工作中人们的照片：钢架工人、 银行职员、警察、街头小贩、救护车驾驶 医生等等……
He falls down the stairs.
他从楼梯摔了下来。
when she remembered that she had gone shopping after the home help had left and she knew that she had turned both keys in their locks,
但突然记起来了，帮手是在她出去买东西之前走的，她还记得曾用了两把钥匙把大门锁上了。